Alert archive / Illinois / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 311, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 25, 2026, 1:33 PM CDT for 4 counties in Illinois. It was in force for 44 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
- Jun 25, 2026, 1:33 PM CDT (18:33 UTC)
- Expired
- Jun 25, 2026, 2:17 PM CDT
- In force
- 44 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clay County, IL, Effingham County, IL, Jasper County, IL, Richland County, IL
The radar
The Evansville,IN radar (KVWX), 87 km from the middle of the area, began a volume at 18:35 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
Lincoln, IL (KILX), launched 12:00Z, 6.6 hours before the alert went out and 143 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
- 56 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 1370 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 132 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 Jun 25, 11:57 AM CDT, 1 hour 36 minutes earlier.
Area forecast discussion, Jun 25, 11:57 AM CDT, 1 hour 36 minutes before
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</html>Hazardous weather outlook, Jun 25, 5:33 AM CDT, 8 hours before
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</html>In the hours before
Special weather statement, Jun 25, 1:14 PM CDT, 19 minutes before
Special Weather Statement
National Weather Service Lincoln IL
114 PM CDT Thu Jun 25 2026
ILZ072-073-251845-
Richland-Lawrence-
114 PM CDT Thu Jun 25 2026
...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN LAWRENCE AND
SOUTHEASTERN RICHLAND COUNTIES THROUGH 145 PM CDT...
At 114 PM CDT, Doppler radar was tracking a strong thunderstorm near
Parkersburg, or 7 miles south of Olney, moving east at 15 mph.
HAZARD...Wind gusts up to 50 mph and nickel 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...
Olney, Parkersburg, Olney Noble Airport, and Calhoun.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3858 8815 3860 8816 3860 8822 3872 8818
3869 8781 3857 8785 3857 8814
TIME...MOT...LOC 1814Z 285DEG 15KT 3862 8813
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH
MJASpecial weather statement, Jun 25, 1:18 PM CDT, 15 minutes before
Special Weather Statement
National Weather Service Lincoln IL
118 PM CDT Thu Jun 25 2026
ILZ066-067-071-251845-
Clay-Effingham-Jasper-
118 PM CDT Thu Jun 25 2026
...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL JASPER...
NORTHWESTERN CLAY AND SOUTHEASTERN EFFINGHAM COUNTIES THROUGH 145 PM
CDT...
At 118 PM CDT, Doppler radar was tracking a strong thunderstorm near
Bible Grove, or 14 miles south of Effingham, moving east at 20 mph.
HAZARD...Wind gusts up to 50 mph and nickel 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...
Bible Grove and Hord.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3885 8862 3902 8855 3898 8831 3875 8840
TIME...MOT...LOC 1818Z 289DEG 19KT 3891 8850
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH
MJAThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:05 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell, Woodford | 40 min |
| Jun 24, 7:38 PM CDT | Special Weather Statement | ILX | Woodford | 37 min |
| Jun 24, 8:01 PM CDT | Special Weather Statement | ILX | McLean | 29 min |
| Jun 24, 11:23 PM CDT | Special Weather Statement | ILX | Logan | 37 min |
| Jun 24, 11:27 PM CDT | Special Weather Statement | ILX | Vermilion | 18 min |
| Jun 25, 3:43 AM CDT | Special Weather Statement | ILX | Clark | 17 min |
| Jun 25, 3:44 AM CDT | Special Weather Statement | ILX | Moultrie | 16 min |
| Jun 25, 4:11 AM CDT | Special Weather Statement | ILX | Coles | 19 min |
| Jun 25, 5:01 AM CDT | Special Weather Statement | ILX | Crawford | 14 min |
| Jun 25, 5:11 AM CDT | Special Weather Statement | ILX | Crawford | 19 min |
| Jun 25, 1:14 PM CDT | Special Weather Statement | ILX | Richland | 31 min |
| Jun 25, 1:18 PM CDT | Special Weather Statement | ILX | Clay | 27 min |
| Jun 25, 5:24 PM CDT | Flash Flood Warning | ILX | Clay, Effingham, Jasper | 5 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 2026Every severe thunderstorm warning in 2026
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.