Outlook · November 2, 2026 Original NOAA / SPC outlooks
Outlooks / Illinois
IllinoisState outlook
Eight days at a glance Select a date to explore Mon Day 1 Nov 2 Thunderstorms Tue Day 2 Nov 3 Marginal Risk Wed Day 3 Nov 4 No area shown Thu Day 4 Nov 5 Potential Too Low Fri Day 5 Nov 6 Potential Too Low Sat Day 6 Nov 7 Potential Too Low Sun Day 7 Nov 8 Potential Too Low Mon Day 8 Nov 9 Potential Too Low Monday, Nov 2, 2026
In parts of the state
Thunderstorms Thunderstorms are possible in parts of the state, but no severe weather category is shown. This is not a guarantee that severe weather cannot occur.
↳ Across this outlook The highest categorical risk in parts of the state is marginal risk on Nov 3
See the full outlook ↓ Forecast product Overall Tornado Wind Hail
Map source mySWO SPC
Illinois 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. Illinois has a pale background; surrounding land is gray. Risk colors remain visible across state borders.
About this map +
Illinois outlook Tornado mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of a tornado within 25 miles of a point. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity Patterned areas show the SPC conditional intensity group if this hazard occurs. A higher group describes greater potential intensity, not a higher probability.
About this map +
Illinois 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this map +
Illinois 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this map +
Illinois outlook SPC Day 1 outlook NOAA / Storm Prediction Center Enlarge map ↗ Official SPC partner outlook for Illinois and surrounding areas. The full official legend and issuance are preserved. View the national map ↗
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
Fetched Nov 2, 2026, 3:01 AM CST Partner map updated Nov 2, 2026, 12:03 AM CST SPC issued Nov 1, 2026, 11:59 PM CST Valid from Nov 2, 2026, 6:00 AM CST Valid until Nov 3, 2026, 6:00 AM CST 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity Patterned areas show the SPC conditional intensity group if this hazard occurs. A higher group describes greater potential intensity, not a higher probability.
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
SPC issued Nov 1, 2026, 11:59 PM CST Valid from Nov 2, 2026, 6:00 AM CST Valid until Nov 3, 2026, 6:00 AM CST 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
SPC issued Nov 1, 2026, 11:59 PM CST Valid from Nov 2, 2026, 6:00 AM CST Valid until Nov 3, 2026, 6:00 AM CST 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
SPC issued Nov 1, 2026, 11:59 PM CST Valid from Nov 2, 2026, 6:00 AM CST Valid until Nov 3, 2026, 6:00 AM CST View the official SPC source ↗ Across Illinois The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.
Available city pages for this published outlook; the state result covers the whole state.
Tuesday, Nov 3, 2026
In parts of the state
Marginal Risk 1 of 5
The SPC outlook places parts of the state in a marginal risk of severe thunderstorms.
↳ Across this outlook The highest categorical risk in parts of the state is marginal risk on Nov 3
See the full outlook ↓ Forecast product Overall Tornado Wind Hail
Map source mySWO SPC
Illinois 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. Illinois has a pale background; surrounding land is gray. Risk colors remain visible across state borders.
About this map +
Illinois outlook Tornado mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of a tornado within 25 miles of a point. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this map +
Illinois 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this map +
Illinois 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this map +
Illinois outlook SPC Day 2 outlook NOAA / Storm Prediction Center Enlarge map ↗ Official SPC partner outlook for Illinois and surrounding areas. The full official legend and issuance are preserved. View the national map ↗
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
Fetched Nov 2, 2026, 3:01 AM CST Partner map updated Nov 2, 2026, 12:59 AM CST SPC issued Nov 2, 2026, 12:55 AM CST Valid from Nov 3, 2026, 6:00 AM CST Valid until Nov 4, 2026, 6:00 AM CST 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
SPC issued Nov 2, 2026, 12:55 AM CST Valid from Nov 3, 2026, 6:00 AM CST Valid until Nov 4, 2026, 6:00 AM CST 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
SPC issued Nov 2, 2026, 12:55 AM CST Valid from Nov 3, 2026, 6:00 AM CST Valid until Nov 4, 2026, 6:00 AM CST 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Conditional intensity No intensity area is highlighted in this national outlook. This does not mean the hazard or significant severe weather is impossible.
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
SPC issued Nov 2, 2026, 12:55 AM CST Valid from Nov 3, 2026, 6:00 AM CST Valid until Nov 4, 2026, 6:00 AM CST View the official SPC source ↗ Across Illinois The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.
Available city pages for this published outlook; the state result covers the whole state.
Wednesday, Nov 4, 2026
In parts of the state
No area shown No thunderstorm or severe weather area is shown for parts of the state in this outlook. This does not guarantee clear weather.
↳ Across this outlook The highest categorical risk in parts of the state is marginal risk on Nov 3
See the full outlook ↓ Forecast product Overall Severe probability
Map source mySWO SPC
Illinois 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. Illinois has a pale background; surrounding land is gray. Risk colors remain visible across state borders.
Day 3 combines severe hazards; separate tornado, wind and hail probability maps are not issued for this day.
About this map +
Illinois outlook Severe probability mySWO map · NOAA/SPC outlook data Enlarge map ↗ Chance of any severe thunderstorm hazard within 25 miles of a point. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Conditional intensity 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 +
Illinois outlook SPC Day 3 outlook NOAA / Storm Prediction Center Enlarge map ↗ Official SPC partner outlook for Illinois and surrounding areas. The full official legend and issuance are preserved. View the national map ↗
Day 3 combines severe hazards; separate tornado, wind and hail probability maps are not issued for this day.
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
Fetched Nov 2, 2026, 3:01 AM CST Partner map updated Nov 2, 2026, 2:20 AM CST SPC issued Nov 2, 2026, 2:15 AM CST Valid from Nov 4, 2026, 6:00 AM CST Valid until Nov 5, 2026, 6:00 AM CST 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 state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Conditional intensity 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 + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
SPC issued Nov 2, 2026, 2:15 AM CST Valid from Nov 4, 2026, 6:00 AM CST Valid until Nov 5, 2026, 6:00 AM CST View the official SPC source ↗ Across Illinois The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.
Available city pages for this published outlook; the state result covers the whole state.
Thursday, Nov 5, 2026
Status for the whole day
Potential Too Low The potential for organized severe storms is too low for SPC to draw a 15% or 30% area for this day. This does not rule out severe weather.
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 in parts of the state is marginal risk on Nov 3
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Illinois 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. Illinois has a pale background; surrounding land is gray. Risk colors remain visible across state borders.
About this map +
Illinois outlook SPC Day 4 outlook NOAA / Storm Prediction Center Enlarge map ↗ Official SPC partner outlook for Illinois and surrounding areas. The full official legend and issuance are preserved. View the national map ↗
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
Fetched Nov 2, 2026, 3:01 AM CST Partner map updated Nov 2, 2026, 2:48 AM CST SPC issued Nov 2, 2026, 2:44 AM CST Valid from Nov 5, 2026, 6:00 AM CST Valid until Nov 6, 2026, 6:00 AM CST View the official SPC source ↗ Across Illinois The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.
Available city pages for this published outlook; the state result covers the whole state.
Friday, Nov 6, 2026
Status for the whole day
Potential Too Low The potential for organized severe storms is too low for SPC to draw a 15% or 30% area for this day. This does not rule out severe weather.
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 in parts of the state is marginal risk on Nov 3
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Illinois 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. Illinois has a pale background; surrounding land is gray. Risk colors remain visible across state borders.
About this map +
Illinois outlook SPC Day 5 outlook NOAA / Storm Prediction Center Enlarge map ↗ Official SPC partner outlook for Illinois and surrounding areas. The full official legend and issuance are preserved. View the national map ↗
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
Fetched Nov 2, 2026, 3:01 AM CST Partner map updated Nov 2, 2026, 2:49 AM CST SPC issued Nov 2, 2026, 2:44 AM CST Valid from Nov 6, 2026, 6:00 AM CST Valid until Nov 7, 2026, 6:00 AM CST View the official SPC source ↗ Across Illinois The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.
Available city pages for this published outlook; the state result covers the whole state.
Saturday, Nov 7, 2026
Status for the whole day
Potential Too Low The potential for organized severe storms is too low for SPC to draw a 15% or 30% area for this day. This does not rule out severe weather.
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 in parts of the state is marginal risk on Nov 3
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Illinois 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. Illinois has a pale background; surrounding land is gray. Risk colors remain visible across state borders.
About this map +
Illinois outlook SPC Day 6 outlook NOAA / Storm Prediction Center Enlarge map ↗ Official SPC partner outlook for Illinois and surrounding areas. The full official legend and issuance are preserved. View the national map ↗
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
Fetched Nov 2, 2026, 3:01 AM CST Partner map updated Nov 2, 2026, 2:51 AM CST SPC issued Nov 2, 2026, 2:44 AM CST Valid from Nov 7, 2026, 6:00 AM CST Valid until Nov 8, 2026, 6:00 AM CST View the official SPC source ↗ Across Illinois The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.
Available city pages for this published outlook; the state result covers the whole state.
Sunday, Nov 8, 2026
Status for the whole day
Potential Too Low The potential for organized severe storms is too low for SPC to draw a 15% or 30% area for this day. This does not rule out severe weather.
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 in parts of the state is marginal risk on Nov 3
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Illinois 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. Illinois has a pale background; surrounding land is gray. Risk colors remain visible across state borders.
About this map +
Illinois outlook SPC Day 7 outlook NOAA / Storm Prediction Center Enlarge map ↗ Official SPC partner outlook for Illinois and surrounding areas. The full official legend and issuance are preserved. View the national map ↗
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
Fetched Nov 2, 2026, 3:01 AM CST Partner map updated Nov 2, 2026, 2:53 AM CST SPC issued Nov 2, 2026, 2:44 AM CST Valid from Nov 8, 2026, 6:00 AM CST Valid until Nov 9, 2026, 6:00 AM CST View the official SPC source ↗ Across Illinois The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.
Available city pages for this published outlook; the state result covers the whole state.
Monday, Nov 9, 2026
Status for the whole day
Potential Too Low The potential for organized severe storms is too low for SPC to draw a 15% or 30% area for this day. This does not rule out severe weather.
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 in parts of the state is marginal risk on Nov 3
See the full outlook ↓ Forecast product Overall
Map source mySWO SPC
Illinois 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. Illinois has a pale background; surrounding land is gray. Risk colors remain visible across state borders.
About this map +
Illinois outlook SPC Day 8 outlook NOAA / Storm Prediction Center Enlarge map ↗ Official SPC partner outlook for Illinois and surrounding areas. The full official legend and issuance are preserved. View the national map ↗
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
Fetched Nov 2, 2026, 3:01 AM CST Partner map updated Nov 2, 2026, 2:55 AM CST SPC issued Nov 2, 2026, 2:44 AM CST Valid from Nov 9, 2026, 6:00 AM CST Valid until Nov 10, 2026, 6:00 AM CST View the official SPC source ↗ Across Illinois The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.
Available city pages for this published outlook; the state result covers the whole state.
The full eight-day outlook Illinois · 2026
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