Illinois - United States   2026-07-27   Monday   39.03N, -88.57W

Watson

Illinois - United States
2026-07-27

Severe Thunderstorm Warning issued July 27 at 5:01AM CDT until July 27 at 5:45AM CDT by NWS Lincoln IL

Issue date: 2026-07-27T10:01+00:00

SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Western Jasper County in southeastern Illinois... North central Clay County in south central Illinois... Eastern Effingham County in south central Illinois... * Until 545 AM CDT. * At 501 AM CDT, a severe thunderstorm was located over Dieterich, or 10 miles southeast of Effingham, moving south at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Wheeler around 505 AM CDT. This includes the following highways... Interstate 57 between mile markers 162 and 164. Interstate 70 between mile markers 96 and 104. This also includes Newton Lake State Fish and Wildlife Area.

Flash Flood Warning issued July 27 at 4:51AM CDT until July 27 at 6:30AM CDT by NWS Lincoln IL

Issue date: 2026-07-27T09:51+00:00

FFWILX The National Weather Service in Lincoln has extended the * Flash Flood Warning for... Eastern Effingham County in south central Illinois... * Until 630 AM CDT. * At 450 AM CDT, Doppler radar indicated thunderstorms producing heavy rain continue across the warned area, although they are now occurring closer to the county line. Between 4 and 6 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in areas from near Teutopolis to Dieterich. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Effingham, Teutopolis, Watson, Dieterich, Heartville and Effingham County Airport. This includes the following highways... Interstate 70 between mile markers 89 and 101. Interstate 57 between mile markers 150 and 167.