Alert archive / Illinois / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 54, NWS Lincoln, IL

March 15, 2026Cass County, Mason County, Menard County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 15, 2026, 8:17 AM CDT for Cass County, Mason County, Menard County, Illinois. It was in force for 28 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: Mar 15, 2026, 8:17 AM CDT (13:17 UTC)
Expired: Mar 15, 2026, 8:45 AM CDT
In force: 28 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cass County, IL, Mason County, IL, Menard County, IL

The radar

The Lincoln radar (KILX), 56 km from the middle of the area, began a volume at 13:19 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.

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 Mar 15, 6:45 AM CDT, 1 hour 32 minutes earlier.

Area forecast discussion, Mar 15, 6:45 AM CDT, 1 hour 32 minutes before

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Hazardous weather outlook, Mar 15, 5:13 AM CDT, 3 hours 4 minutes before

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In the hours before

Local storm report, Mar 15, 8:07 AM CDT, 10 minutes before

Preliminary Local Storm Report
National Weather Service Lincoln IL
807 AM CDT Sun Mar 15 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0755 AM     Hail             Beardstown              40.01N 90.43W
03/15/2026  E0.88 Inch       Cass               IL   Public

            Video of hail on social media from public
            that estimated nickel sized hail.

&&

RAC

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 15, 2:33 AM CDT	Blizzard Warning	ILX	Knox, Stark	34 hr
Mar 15, 8:02 AM CDT	Severe Thunderstorm Warning	ILX	Mason, Menard, Sangamon	17 min
Mar 15, 8:39 AM CDT	Severe Thunderstorm Warning	ILX	Peoria, Tazewell	13 min
Mar 15, 9:50 AM CDT	Special Weather Statement	ILX	Christian	25 min
Mar 15, 10:39 AM CDT	Winter Weather Advisory	ILX	Cass, Fulton, Knox, Logan, McLean, Marshall and 7 more	37 hr
Mar 15, 4:16 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon, Scott	44 min
Mar 15, 4:56 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Menard, Sangamon	34 min
Mar 15, 5:03 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	42 min
Mar 15, 5:39 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Tazewell	51 min
Mar 15, 5:40 PM CDT	Tornado Warning	ILX	Logan, Sangamon	35 min
Mar 15, 5:44 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Macon, Sangamon	46 min
Mar 15, 6:00 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Shelby	45 min
Mar 15, 6:00 PM CDT	Tornado Warning	ILX	DeWitt, Logan, Macon	45 min
Mar 15, 6:15 PM CDT	Tornado Warning	ILX	Christian, Macon, Moultrie, Shelby	30 min
Mar 15, 6:21 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean, Macon, Piatt	39 min
Mar 15, 6:37 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Douglas, Moultrie, Piatt, Shelby	38 min
Mar 15, 6:43 PM CDT	Tornado Warning	ILX	Champaign, Douglas, Moultrie, Piatt	32 min
Mar 15, 6:54 PM CDT	Tornado Warning	ILX	Coles, Douglas, Moultrie	36 min
Mar 15, 6:56 PM CDT	Tornado Warning	ILX	Champaign, DeWitt, McLean, Piatt	34 min
Mar 15, 6:58 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, McLean, Piatt	41 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2026 Every 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; radar from the NEXRAD Level II archive.