Outlook · November 10, 2026 Original NOAA / SPC outlooks
Outlooks / Illinois
IllinoisState outlook
Eight days at a glance Select a date to explore Tue Day 1 Nov 10 No area shown Wed Day 2 Nov 11 Marginal Risk Thu Day 3 Nov 12 No area shown Fri Day 4 Nov 13 Potential Too Low Sat Day 5 Nov 14 Predictability Too Low Sun Day 6 Nov 15 Potential Too Low Mon Day 7 Nov 16 Predictability Too Low Tue Day 8 Nov 17 Predictability Too Low Tuesday, Nov 10, 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 11
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.
No area reaches the 2% 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 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.
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 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 1 outlook Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
This official SPC graphic provides state context for Illinois. The full official legend and issuance are preserved.
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
mySWO data issued Nov 10, 2026, 6:36 AM CST mySWO data valid from Nov 10, 2026, 7:00 AM CST mySWO data valid until Nov 11, 2026, 6:00 AM CST View this SPC gallery ↗ View the official SPC source ↗
Illinois outlook Tornado Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
Chance of a tornado within 25 miles of a point. This is an SPC state map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
mySWO data: No area reaches the 2% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Intensity in the mySWO data 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.
mySWO data issued Nov 10, 2026, 6:36 AM CST mySWO data valid from Nov 10, 2026, 7:00 AM CST mySWO data valid until Nov 11, 2026, 6:00 AM CST View this SPC gallery ↗ View the official SPC source ↗
Illinois outlook Wind Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. This is an SPC state map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
mySWO data: No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Intensity in the mySWO data 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.
mySWO data issued Nov 10, 2026, 6:36 AM CST mySWO data valid from Nov 10, 2026, 7:00 AM CST mySWO data valid until Nov 11, 2026, 6:00 AM CST View this SPC gallery ↗ View the official SPC source ↗
Illinois outlook Hail Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
Chance of hail at least 1 inch in diameter within 25 miles of a point. This is an SPC state map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
mySWO data: No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Intensity in the mySWO data 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.
mySWO data issued Nov 10, 2026, 6:36 AM CST mySWO data valid from Nov 10, 2026, 7:00 AM CST mySWO data valid until Nov 11, 2026, 6:00 AM CST View this SPC gallery ↗ 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 11, 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 11
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.
No area reaches the 2% 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 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 Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
This official SPC graphic provides state context for Illinois. The full official legend and issuance are preserved.
About this outlook + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
mySWO data issued Nov 10, 2026, 12:49 AM CST mySWO data valid from Nov 11, 2026, 6:00 AM CST mySWO data valid until Nov 12, 2026, 6:00 AM CST View this SPC gallery ↗ View the official SPC source ↗
Illinois outlook Tornado Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
Chance of a tornado within 25 miles of a point. This is an SPC state map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
mySWO data: No area reaches the 2% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Intensity in the mySWO data 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.
mySWO data issued Nov 10, 2026, 12:49 AM CST mySWO data valid from Nov 11, 2026, 6:00 AM CST mySWO data valid until Nov 12, 2026, 6:00 AM CST View this SPC gallery ↗ View the official SPC source ↗
Illinois outlook Wind Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. This is an SPC state map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
Intensity in the mySWO data 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.
mySWO data issued Nov 10, 2026, 12:49 AM CST mySWO data valid from Nov 11, 2026, 6:00 AM CST mySWO data valid until Nov 12, 2026, 6:00 AM CST View this SPC gallery ↗ View the official SPC source ↗
Illinois outlook Hail Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
Chance of hail at least 1 inch in diameter within 25 miles of a point. This is an SPC state map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
mySWO data: No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Intensity in the mySWO data 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.
mySWO data issued Nov 10, 2026, 12:49 AM CST mySWO data valid from Nov 11, 2026, 6:00 AM CST mySWO data valid until Nov 12, 2026, 6:00 AM CST View this SPC gallery ↗ 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 12, 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 11
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 Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
This official SPC graphic provides state context for Illinois. 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 + Latest published outlook dataset. The original official graphic and its printed legend are preserved.
mySWO data issued Nov 10, 2026, 2:23 AM CST mySWO data valid from Nov 12, 2026, 6:00 AM CST mySWO data valid until Nov 13, 2026, 6:00 AM CST View this SPC gallery ↗ View the official SPC source ↗
Illinois outlook Severe probability Open map on SPC ↗ Official SPC graphic · Live state view Enlarge map ↗ Loaded directly from SPC. SPC updates this image independently; check the forecast date printed on it.
Chance of any severe thunderstorm hazard within 25 miles of a point. This is an SPC state map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.
mySWO data: No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Intensity in the mySWO data 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.
mySWO data issued Nov 10, 2026, 2:23 AM CST mySWO data valid from Nov 12, 2026, 6:00 AM CST mySWO data valid until Nov 13, 2026, 6:00 AM CST View this SPC gallery ↗ 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 13, 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 11
See the full outlook ↓ 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 14, 2026
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 in parts of the state is marginal risk on Nov 11
See the full outlook ↓ 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 15, 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 11
See the full outlook ↓ 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 16, 2026
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 in parts of the state is marginal risk on Nov 11
See the full outlook ↓ 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 17, 2026
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 in parts of the state is marginal risk on Nov 11
See the full outlook ↓ 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