Eight days at a glance Select a date to explore Mon Day 1 Jun 16 No area shown Tue Day 2 Jun 17 Thunderstorms Wed Day 3 Jun 18 Marginal Risk Thu Day 4 Jun 19 15% or greater Fri Day 5 Jun 20 Predictability Too Low Sat Day 6 Jun 21 Predictability Too Low Sun Day 7 Jun 22 Predictability Too Low Mon Day 8 Jun 23 Predictability Too Low Monday, Jun 16, 2025
Outlook for this location
No area shown No thunderstorm or severe weather area is shown for this location in this outlook. This does not guarantee clear weather.
↳ Across this outlook The highest categorical risk at this location is marginal risk on Jun 18
See the full outlook ↓ Forecast product Overall Tornado Wind Hail
Map source mySWO SPC
Pennsylvania outlook SPC Day 1 outlook mySWO map · NOAA/SPC outlook data Enlarge map ↗ Drawn from the same SPC outlook as the risk details on this page. Pennsylvania has a pale background; surrounding land is gray. Risk colors remain visible across state borders. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:54 PM CDT Valid from Jun 16, 2025, 3:00 PM CDT Valid until Jun 17, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
Pennsylvania outlook Tornado mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of a tornado within 25 miles of a point. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:54 PM CDT Valid from Jun 16, 2025, 3:00 PM CDT Valid until Jun 17, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
Pennsylvania outlook Wind mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe Historical hatching marks at least a 10% chance of significant severe weather within 25 miles: EF2+ tornadoes, winds of at least 65 knots (75 mph), or hail at least 2 inches, as applicable to this hazard.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:54 PM CDT Valid from Jun 16, 2025, 3:00 PM CDT Valid until Jun 17, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
Pennsylvania outlook Hail mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of hail at least 1 inch in diameter within 25 miles of a point. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe Historical hatching marks at least a 10% chance of significant severe weather within 25 miles: EF2+ tornadoes, winds of at least 65 knots (75 mph), or hail at least 2 inches, as applicable to this hazard.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:54 PM CDT Valid from Jun 16, 2025, 3:00 PM CDT Valid until Jun 17, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
National context SPC Day 1 outlook NOAA / Storm Prediction Center Enlarge map ↗ This national map gives the bigger picture. See the dated answer for Lancaster on this page. The full official legend and issuance are preserved.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT Acquired Oct 24, 2026, 11:56 PM CDT SPC issued Jun 16, 2025, 2:54 PM CDT Valid from Jun 16, 2025, 3:00 PM CDT Valid until Jun 17, 2025, 7:00 AM CDT View the official SPC source ↗
National context Tornado Official SPC graphic · National view Enlarge map ↗ Chance of a tornado within 25 miles of a point. This is a national SPC map. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:54 PM CDT Valid from Jun 16, 2025, 3:00 PM CDT Valid until Jun 17, 2025, 7:00 AM CDT View the official SPC source ↗
National context Wind Official SPC graphic · National view Enlarge map ↗ Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. This is a national SPC map. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe Historical hatching marks at least a 10% chance of significant severe weather within 25 miles: EF2+ tornadoes, winds of at least 65 knots (75 mph), or hail at least 2 inches, as applicable to this hazard.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:54 PM CDT Valid from Jun 16, 2025, 3:00 PM CDT Valid until Jun 17, 2025, 7:00 AM CDT View the official SPC source ↗
National context Hail Official SPC graphic · National view Enlarge map ↗ Chance of hail at least 1 inch in diameter within 25 miles of a point. This is a national SPC map. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe Historical hatching marks at least a 10% chance of significant severe weather within 25 miles: EF2+ tornadoes, winds of at least 65 knots (75 mph), or hail at least 2 inches, as applicable to this hazard.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:54 PM CDT Valid from Jun 16, 2025, 3:00 PM CDT Valid until Jun 17, 2025, 7:00 AM CDT View the official SPC source ↗ Tuesday, Jun 17, 2025
Outlook for this location
Thunderstorms Thunderstorms are possible in this location, but no severe weather category is shown. This is not a guarantee that severe weather cannot occur.
↳ Across this outlook The highest categorical risk at this location is marginal risk on Jun 18
See the full outlook ↓ Forecast product Overall Tornado Wind Hail
Map source mySWO SPC
Pennsylvania outlook SPC Day 2 outlook mySWO map · NOAA/SPC outlook data Enlarge map ↗ Drawn from the same SPC outlook as the risk details on this page. Pennsylvania has a pale background; surrounding land is gray. Risk colors remain visible across state borders. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 12:28 PM CDT Valid from Jun 17, 2025, 7:00 AM CDT Valid until Jun 18, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
Pennsylvania outlook Tornado mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of a tornado within 25 miles of a point. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 12:28 PM CDT Valid from Jun 17, 2025, 7:00 AM CDT Valid until Jun 18, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
Pennsylvania outlook Wind mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe Historical hatching marks at least a 10% chance of significant severe weather within 25 miles: EF2+ tornadoes, winds of at least 65 knots (75 mph), or hail at least 2 inches, as applicable to this hazard.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 12:28 PM CDT Valid from Jun 17, 2025, 7:00 AM CDT Valid until Jun 18, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
Pennsylvania outlook Hail mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of hail at least 1 inch in diameter within 25 miles of a point. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe Historical hatching marks at least a 10% chance of significant severe weather within 25 miles: EF2+ tornadoes, winds of at least 65 knots (75 mph), or hail at least 2 inches, as applicable to this hazard.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 12:28 PM CDT Valid from Jun 17, 2025, 7:00 AM CDT Valid until Jun 18, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
National context SPC Day 2 outlook NOAA / Storm Prediction Center Enlarge map ↗ This national map gives the bigger picture. See the dated answer for Lancaster on this page. The full official legend and issuance are preserved.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT Acquired Oct 24, 2026, 11:56 PM CDT SPC issued Jun 16, 2025, 12:28 PM CDT Valid from Jun 17, 2025, 7:00 AM CDT Valid until Jun 18, 2025, 7:00 AM CDT View the official SPC source ↗
National context Tornado Official SPC graphic · National view Enlarge map ↗ Chance of a tornado within 25 miles of a point. This is a national SPC map. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 12:28 PM CDT Valid from Jun 17, 2025, 7:00 AM CDT Valid until Jun 18, 2025, 7:00 AM CDT View the official SPC source ↗
National context Wind Official SPC graphic · National view Enlarge map ↗ Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. This is a national SPC map. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe Historical hatching marks at least a 10% chance of significant severe weather within 25 miles: EF2+ tornadoes, winds of at least 65 knots (75 mph), or hail at least 2 inches, as applicable to this hazard.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 12:28 PM CDT Valid from Jun 17, 2025, 7:00 AM CDT Valid until Jun 18, 2025, 7:00 AM CDT View the official SPC source ↗
National context Hail Official SPC graphic · National view Enlarge map ↗ Chance of hail at least 1 inch in diameter within 25 miles of a point. This is a national SPC map. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe Historical hatching marks at least a 10% chance of significant severe weather within 25 miles: EF2+ tornadoes, winds of at least 65 knots (75 mph), or hail at least 2 inches, as applicable to this hazard.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 12:28 PM CDT Valid from Jun 17, 2025, 7:00 AM CDT Valid until Jun 18, 2025, 7:00 AM CDT View the official SPC source ↗ Wednesday, Jun 18, 2025
Outlook for this location
Marginal Risk 1 of 5
The SPC outlook places this location in a marginal risk of severe thunderstorms.
↳ Across this outlook The highest categorical risk at this location is marginal risk on Jun 18
See the full outlook ↓ Forecast product Overall Severe probability
Map source mySWO SPC
Pennsylvania outlook SPC Day 3 outlook mySWO map · NOAA/SPC outlook data Enlarge map ↗ Drawn from the same SPC outlook as the risk details on this page. Pennsylvania has a pale background; surrounding land is gray. Risk colors remain visible across state borders. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster.
Day 3 combines severe hazards; separate tornado, wind and hail probability maps are not issued for this day.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:31 PM CDT Valid from Jun 18, 2025, 7:00 AM CDT Valid until Jun 19, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
Pennsylvania outlook Severe probability mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of any severe thunderstorm hazard within 25 miles of a point. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
Day 3 combines severe hazards; separate tornado, wind and hail probability maps are not issued for this day.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:31 PM CDT Valid from Jun 18, 2025, 7:00 AM CDT Valid until Jun 19, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
National context SPC Day 3 outlook NOAA / Storm Prediction Center Enlarge map ↗ This national map gives the bigger picture. See the dated answer for Lancaster on this page. The full official legend and issuance are preserved.
Day 3 combines severe hazards; separate tornado, wind and hail probability maps are not issued for this day.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT Acquired Oct 24, 2026, 11:56 PM CDT SPC issued Jun 16, 2025, 2:31 PM CDT Valid from Jun 18, 2025, 7:00 AM CDT Valid until Jun 19, 2025, 7:00 AM CDT View the official SPC source ↗
National context Severe probability Official SPC graphic · National view Enlarge map ↗ Chance of any severe thunderstorm hazard within 25 miles of a point. This is a national SPC map. The city risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Significant severe No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
Day 3 combines severe hazards; separate tornado, wind and hail probability maps are not issued for this day.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 2:31 PM CDT Valid from Jun 18, 2025, 7:00 AM CDT Valid until Jun 19, 2025, 7:00 AM CDT View the official SPC source ↗ Thursday, Jun 19, 2025
Extended outlook for this location
15% or greater Severe weather within 25 miles
An SPC severe weather probability area includes this location. It describes severe weather within 25 miles of a point during the outlook period.
This is an area threshold during the outlook period, not a precise personal probability or a chance of rain.
↳ Across this outlook The highest categorical risk at this location is marginal risk on Jun 18
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Pennsylvania outlook SPC Day 4 outlook mySWO map · NOAA/SPC outlook data Enlarge map ↗ Drawn from the same SPC outlook as the risk details on this page. Pennsylvania has a pale background; surrounding land is gray. Risk colors remain visible across state borders. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 19, 2025, 7:00 AM CDT Valid until Jun 20, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
National context SPC Day 4 outlook NOAA / Storm Prediction Center Enlarge map ↗ This national map gives the bigger picture. See the dated answer for Lancaster on this page. The full official legend and issuance are preserved.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT Acquired Oct 24, 2026, 11:56 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 19, 2025, 7:00 AM CDT Valid until Jun 20, 2025, 7:00 AM CDT View the official SPC source ↗ Friday, Jun 20, 2025
Status for the whole day
Predictability Too Low There is too much uncertainty for SPC to draw a 15% or 30% severe weather area for this day.
This is a status for the entire Storm Prediction Center outlook that day, not a measured local probability.
↳ Across this outlook The highest categorical risk at this location is marginal risk on Jun 18
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Pennsylvania outlook SPC Day 5 outlook mySWO map · NOAA/SPC outlook data Enlarge map ↗ Drawn from the same SPC outlook as the risk details on this page. Pennsylvania has a pale background; surrounding land is gray. Risk colors remain visible across state borders. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 20, 2025, 7:00 AM CDT Valid until Jun 21, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
National context SPC Day 5 outlook NOAA / Storm Prediction Center Enlarge map ↗ This national map gives the bigger picture. See the dated answer for Lancaster on this page. The full official legend and issuance are preserved.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT Acquired Oct 24, 2026, 11:56 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 20, 2025, 7:00 AM CDT Valid until Jun 21, 2025, 7:00 AM CDT View the official SPC source ↗ Saturday, Jun 21, 2025
Status for the whole day
Predictability Too Low There is too much uncertainty for SPC to draw a 15% or 30% severe weather area for this day.
This is a status for the entire Storm Prediction Center outlook that day, not a measured local probability.
↳ Across this outlook The highest categorical risk at this location is marginal risk on Jun 18
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Pennsylvania outlook SPC Day 6 outlook mySWO map · NOAA/SPC outlook data Enlarge map ↗ Drawn from the same SPC outlook as the risk details on this page. Pennsylvania has a pale background; surrounding land is gray. Risk colors remain visible across state borders. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 21, 2025, 7:00 AM CDT Valid until Jun 22, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
National context SPC Day 6 outlook NOAA / Storm Prediction Center Enlarge map ↗ This national map gives the bigger picture. See the dated answer for Lancaster on this page. The full official legend and issuance are preserved.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT Acquired Oct 24, 2026, 11:56 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 21, 2025, 7:00 AM CDT Valid until Jun 22, 2025, 7:00 AM CDT View the official SPC source ↗ Sunday, Jun 22, 2025
Status for the whole day
Predictability Too Low There is too much uncertainty for SPC to draw a 15% or 30% severe weather area for this day.
This is a status for the entire Storm Prediction Center outlook that day, not a measured local probability.
↳ Across this outlook The highest categorical risk at this location is marginal risk on Jun 18
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Pennsylvania outlook SPC Day 7 outlook mySWO map · NOAA/SPC outlook data Enlarge map ↗ Drawn from the same SPC outlook as the risk details on this page. Pennsylvania has a pale background; surrounding land is gray. Risk colors remain visible across state borders. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 22, 2025, 7:00 AM CDT Valid until Jun 23, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
National context SPC Day 7 outlook NOAA / Storm Prediction Center Enlarge map ↗ This national map gives the bigger picture. See the dated answer for Lancaster on this page. The full official legend and issuance are preserved.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT Acquired Oct 24, 2026, 11:56 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 22, 2025, 7:00 AM CDT Valid until Jun 23, 2025, 7:00 AM CDT View the official SPC source ↗ Monday, Jun 23, 2025
Status for the whole day
Predictability Too Low There is too much uncertainty for SPC to draw a 15% or 30% severe weather area for this day.
This is a status for the entire Storm Prediction Center outlook that day, not a measured local probability.
↳ Across this outlook The highest categorical risk at this location is marginal risk on Jun 18
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Pennsylvania outlook SPC Day 8 outlook mySWO map · NOAA/SPC outlook data Enlarge map ↗ Drawn from the same SPC outlook as the risk details on this page. Pennsylvania has a pale background; surrounding land is gray. Risk colors remain visible across state borders. The map shows Pennsylvania and surrounding areas; the written outlook on this page is calculated for Lancaster.
About this map + Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 23, 2025, 7:00 AM CDT Valid until Jun 24, 2025, 7:00 AM CDT Map sources and provenance ↗ View the official SPC source ↗
National context SPC Day 8 outlook NOAA / Storm Prediction Center Enlarge map ↗ This national map gives the bigger picture. See the dated answer for Lancaster on this page. The full official legend and issuance are preserved.
About this outlook + Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.
Issuance cutoff Jun 16, 2025, 2:54 PM CDT Acquired Oct 24, 2026, 11:56 PM CDT SPC issued Jun 16, 2025, 3:55 AM CDT Valid from Jun 23, 2025, 7:00 AM CDT Valid until Jun 24, 2025, 7:00 AM CDT View the official SPC source ↗ The full eight-day outlook Lancaster, PA · 2025
More cities in Pennsylvania Color has a meaning. Five categories describe increasing severe weather risk. Thunderstorms sit outside that five-level scale. Extended outlooks use probability areas or a status for the day.
1 MarginalRisk 2 SlightRisk 3 EnhancedRisk 4 ModerateRisk 5 HighRisk