Active Weather Alerts
Flash Flood Warning
Issued: 8:17 PM May. 18, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR SOUTHERN BOND, CLINTON, SOUTHWESTERN FAYETTE, WESTERN MARION AND NORTHERN WASHINGTON COUNTIES IN SOUTH CENTRAL ILLINOIS... At 317 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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... Breese, New Baden, Carlyle, Trenton, Aviston, Okawville, St. Rose, Germantown, Albers, Wamac, Beckemeyer, Pocahontas, Tamalco, Beaver Creek, Jamestown, Boulder, Shattuc, New Memphis and Pleasant Mound. This includes the following State Parks... Carlyle Lake State Fish and Wildlife Area and Eldon Hazlet State Recreation Area. This includes Interstate 64 in Illinois near exit 34. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED
Flash Flood Warning
Issued: 7:11 PM May. 18, 2026 – National Weather Service
The National Weather Service in St Louis has issued a * Flash Flood Warning for... Eastern Clinton County in south central Illinois... Southern Fayette County in south central Illinois... Marion County in south central Illinois... * Until 815 PM CDT Monday. * At 211 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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... Centralia, Salem, Sandoval, Wamac, Central City, Odin, Kinmundy, Patoka, Farina, Omega, Stephen Forbes Station, Fairman, Shobonier, Helm, Tonti, La Clede, Iuka, Junction City, St. Peter and Alma. This includes the following State Parks... Stephen A. Forbes State Recreation Area. This includes Interstate 57 in Illinois between exits 109 and 135. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED
Flood Watch
Issued: 6:57 PM May. 18, 2026 – National Weather Service
...FLOOD WATCH NOW IN EFFECT THROUGH TUESDAY AFTERNOON... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central Illinois, including the following areas, Bond IL, Clinton IL, Fayette IL, Marion IL and Washington IL and Missouri, including the following areas, Boone MO, Callaway MO, Cole MO, Crawford MO, Franklin MO, Gasconade MO, Moniteau MO, Montgomery MO, Osage MO, Warren MO and Washington MO. * WHEN...Through Tuesday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Potential rainfall amounts of 2 to 4 inches, with localized higher amounts of 4 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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