Alert archive / Illinois / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 279, NWS Lincoln, IL

June 17, 20264 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 17, 2026, 4:42 PM CDT for 4 counties in Illinois. It was in force for 19 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 17, 2026, 4:42 PM CDT (21:42 UTC)
Expired
Jun 17, 2026, 5:01 PM CDT
In force
19 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Possible
Damage threat
Considerable
Hail
1.75 in
Wind
60.0 mph

Counties Christian County, IL, Logan County, IL, Menard County, IL, Sangamon County, IL

The radar

The Lincoln radar (KILX), 36 km from the middle of the area, began a volume at 21:46 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 17, 2:14 PM CDTTornado WatchSPC11 hr

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 17, 3:16 PM CDT, 1 hour 26 minutes earlier.

Area forecast discussion, Jun 17, 3:16 PM CDT, 1 hour 26 minutes before
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Hazardous weather outlook, Jun 17, 3:28 PM CDT, 1 hour 14 minutes before
Hazardous Weather Outlook
National Weather Service Lincoln IL
328 PM CDT Wed Jun 17 2026

ILZ036>038-040>057-061>063-066>068-071>073-181100-
Fulton-Tazewell-McLean-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-
328 PM CDT Wed Jun 17 2026

This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.

.DAY ONE...Tonight.

A broken line of thunderstorms capable of all severe hazards will
settle southward through central Illinois late this afternoon and
evening. The strongest cells within the line will have the potential
to produce tornadoes, damaging wind gusts in excess of 70mph, and hail
large than golf balls. The highest probability for strong tornadoes
will focus along and south of a Springfield to Paris line.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thunderstorms will develop across the area late Saturday night into
Sunday. At this time it appears the severe weather risk will remain
low.

River flooding is ongoing for portions of central Illinois. Please
refer to the latest flood statements for details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed through 10pm this evening.

Expected storm motion is toward the east at 60-70mph.

ILZ027>031-181100-
Knox-Stark-Peoria-Marshall-Woodford-
328 PM CDT Wed Jun 17 2026

This Hazardous Weather Outlook is for central Illinois and west
central Illinois.

.DAY ONE...Tonight.

A few strong to severe thunderstorms capable of damaging wind gusts
and large hail will track across north-central Illinois late this
afternoon. The storms will drop south of the Peoria area by early
evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thunderstorms will develop across the area late Saturday night into
Sunday. At this time it appears the severe weather risk will remain
low.

River flooding is ongoing for portions of central Illinois. Please
refer to the latest flood statements for details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed through 5pm this afternoon.

Expected storm motion is toward the east at 60-70mph.

Barnes

In the hours before

Local storm report, Jun 17, 4:17 PM CDT, 25 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
417 PM CDT Wed Jun 17 2026

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

0347 PM     Flash Flood      Lexington               40.64N 88.78W
06/17/2026                   McLean             IL   Emergency Mngr

            Localized urban flooding in Lexington with 4
            inches of rain so far today.

&&
Local storm report, Jun 17, 4:22 PM CDT, 20 minutes before
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Local storm report, Jun 17, 4:23 PM CDT, 19 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
423 PM CDT Wed Jun 17 2026

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

0410 PM     Rain             Lexington               40.64N 88.78W
06/17/2026  M4.00 Inch       McLean             IL   Emergency Mngr

            Some urban flooding in Lexington.

&&
Local storm report, Jun 17, 4:25 PM CDT, 17 minutes before
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Local storm report, Jun 17, 4:28 PM CDT, 14 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
428 PM CDT Wed Jun 17 2026

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

0415 PM     Flash Flood      Bellflower              40.34N 88.53W
06/17/2026                   McLean             IL   Emergency Mngr

            Water covering highway 136 both lanes at
            3900 E South of Bellflower.

&&
Local storm report, Jun 17, 4:41 PM CDT, 1 minute before
Preliminary Local Storm Report
National Weather Service Lincoln IL
441 PM CDT Wed Jun 17 2026

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

0438 PM     Flood            Saybrook                40.43N 88.53W
06/17/2026                   McLean             IL   Emergency Mngr

            Saybrook has reports of water flowing on
            several streets as well as standing water in
            yards.

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 8:14 AM CDTSevere Thunderstorm WarningILXFulton, Knox, Peoria, Stark61 min
Jun 17, 9:03 AM CDTSevere Thunderstorm Warning Considerable damage threatILXFulton, Marshall, Peoria, Stark, Tazewell, Woodford57 min
Jun 17, 9:11 AM CDTAreal Flood AdvisoryILXKnox3 hr
Jun 17, 9:45 AM CDTSevere Thunderstorm WarningILXLogan, Mason, Menard, Sangamon60 min
Jun 17, 9:54 AM CDTSevere Thunderstorm WarningILXMcLean, Woodford66 min
Jun 17, 10:09 AM CDTSevere Thunderstorm WarningILXDeWitt, Macon, Moultrie, Piatt66 min
Jun 17, 10:58 AM CDTRiver Flood WarningILXMarshall, Putnam11 days
Jun 17, 2:53 PM CDTSevere Thunderstorm WarningILXDeWitt, Fulton, Logan, McLean, Mason, Tazewell50 min
Jun 17, 2:55 PM CDTSevere Thunderstorm WarningILXMcLean, Peoria, Tazewell, Woodford31 min
Jun 17, 3:41 PM CDTFlash Flood WarningILXDeWitt, Logan, McLean, Tazewell3 hr
Jun 17, 3:42 PM CDTSevere Thunderstorm WarningILXDeWitt, Logan, McLean, Macon, Piatt41 min
Jun 17, 3:50 PM CDTFlash Flood WarningILXMcLean, Peoria, Tazewell, Woodford3 hr
Jun 17, 3:50 PM CDTSevere Thunderstorm WarningILXCass, Logan, Mason, Menard, Sangamon55 min
Jun 17, 3:52 PM CDTSevere Thunderstorm WarningILXDeWitt, Logan, McLean, Mason, Tazewell26 min
Jun 17, 3:57 PM CDTSevere Thunderstorm WarningILXCass, Christian, Logan, Mason, Menard, Sangamon63 min
Jun 17, 4:08 PM CDTTornado WarningILXChampaign, DeWitt, Douglas, Macon, Piatt31 min
Jun 17, 4:14 PM CDTSevere Thunderstorm WarningILXFulton, Mason, Tazewell28 min
Jun 17, 4:19 PM CDTFlash Flood WarningILXChampaign, DeWitt, McLean, Piatt3 hr
Jun 17, 4:19 PM CDTTornado WarningILXLogan, Menard, Sangamon41 min
Jun 17, 4:23 PM CDTTornado WarningILXDeWitt, Logan, Macon52 min
Jun 17, 4:29 PM CDTSevere Thunderstorm WarningILXCass, Fulton, Mason, Schuyler61 min
Jun 17, 4:49 PM CDTSevere Thunderstorm WarningILXChristian, DeWitt, Macon, Moultrie, Piatt, Sangamon and 1 more56 min
Jun 17, 4:54 PM CDTTornado WarningILXChristian, Macon38 min
Jun 17, 5:05 PM CDTSevere Thunderstorm WarningILXLogan, Menard, Sangamon40 min
Jun 17, 5:11 PM CDTTornado WarningILXChristian, Macon, Moultrie, Shelby21 min
Jun 17, 5:14 PM CDTSevere Thunderstorm WarningILXDeWitt, Logan, Macon26 min
Jun 17, 5:18 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Scott38 min
Jun 17, 5:21 PM CDTTornado WarningILXChampaign, Douglas, Piatt39 min
Jun 17, 5:23 PM CDTTornado WarningILXMacon, Moultrie, Piatt, Shelby30 min
Jun 17, 5:26 PM CDTSevere Thunderstorm WarningILXLogan, Mason, Menard, Sangamon34 min
Jun 17, 5:43 PM CDTSevere Thunderstorm WarningILXChristian, Logan, Macon, Moultrie, Piatt, Sangamon and 1 more44 min
Jun 17, 5:46 PM CDTTornado WarningILXColes, Douglas44 min
Jun 17, 6:09 PM CDTTornado WarningILXClark, Edgar53 min
Jun 17, 6:11 PM CDTFlash Flood WarningILXChristian, Logan, Macon, Menard, Moultrie, Sangamon4 hr
Jun 17, 6:16 PM CDTFlash Flood WarningILXChampaign, Piatt, Vermilion4 hr
Jun 17, 6:18 PM CDTSevere Thunderstorm Warning Destructive damage threatILXColes, Douglas, Moultrie, Piatt42 min
Jun 17, 6:33 PM CDTSevere Thunderstorm WarningILXMorgan, Sangamon, Scott45 min
Jun 17, 6:40 PM CDTFlash Flood WarningILXClark, Coles, Douglas, Edgar3 hr
Jun 17, 6:44 PM CDTSevere Thunderstorm Warning Destructive damage threatILXColes, Cumberland, Douglas46 min
Jun 17, 6:46 PM CDTTornado WarningILXColes, Cumberland29 min
Jun 17, 6:47 PM CDTTornado WarningILXChristian, Sangamon43 min

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; radar from the NEXRAD Level II archive.