Alert archive / Illinois / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 215, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Sep 21, 2025, 7:27 PM CDT for Sangamon County, Illinois. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 21, 2025, 7:27 PM CDT (00:27 UTC)
- Expired
- Sep 21, 2025, 8:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Sangamon County, IL
The radar
The Lincoln radar (KILX), 52 km from the middle of the area, began a volume at 00:30 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 0.5 hours before the alert went out and 481 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1173 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 976 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 21, 6:33 PM CDT, 54 minutes earlier.
Area forecast discussion, Sep 21, 6:33 PM CDT, 54 minutes before
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</html>Hazardous weather outlook, Sep 21, 2:49 PM CDT, 4 hours 38 minutes before
Hazardous Weather Outlook National Weather Service Lincoln IL 249 PM CDT Sun Sep 21 2025 ILZ027>031-036>038-221100- Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- 249 PM CDT Sun Sep 21 2025 This Hazardous Weather Outlook is for central Illinois and west central Illinois, mainly north of a Havana to Bloomington line. .DAY ONE...Late This Afternoon and Tonight. Isolated thunderstorms are possible this afternoon, with better chances developing this evening. The threat of severe weather appears low at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Periods of scattered thunderstorms are expected Monday through Wednesday. Lightning would be the primary hazard, though the threat for severe weather appears low at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight. ILZ040>057-061>063-066>068-071>073-221100- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard- Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar- Shelby-Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland- Lawrence- 249 PM CDT Sun Sep 21 2025 This Hazardous Weather Outlook is for central Illinois, east central Illinois, southeast Illinois and west central Illinois. .DAY ONE...Late This Afternoon and Tonight. Scattered thunderstorms will occur this afternoon, especially north of I-70, with better chances developing this evening. A few strong to severe storms are possible. Hail to one inch in diameter and wind gusts to 60 mph will be the primary hazards. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Periods of scattered thunderstorms are expected Monday through Wednesday. Lightning would be the primary hazard, though the threat for severe weather appears low at this time. Locally heavy rain will accompany the stronger storms, especially south of I-70. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon and evening. Expected storm motion is toward the east around 25 mph. Geelhart
In the hours before
Special weather statement, Sep 21, 3:25 PM CDT, 4 hours 2 minutes before
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</html>Special weather statement, Sep 21, 4:00 PM CDT, 3 hours 27 minutes before
Special Weather Statement
National Weather Service Lincoln IL
400 PM CDT Sun Sep 21 2025
ILZ038-212145-
McLean-
400 PM CDT Sun Sep 21 2025
...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN MCLEAN COUNTY
THROUGH 445 PM CDT...
At 400 PM CDT, Doppler radar was tracking a strong thunderstorm near
Le Roy, or 18 miles southeast of Bloomington, moving east at 20 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Le Roy and Bellflower.
This includes Interstate 74 between mile markers 149 and 154.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4029 8879 4035 8878 4043 8847 4029 8846
TIME...MOT...LOC 2100Z 256DEG 16KT 4032 8869
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
25The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:16 PM CDT | Special Weather Statement | ILX | Sangamon | 29 min |
| Sep 21, 8:34 PM CDT | Special Weather Statement | ILX | DeWitt | 26 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2025Every severe thunderstorm warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.