Immediate

Responsive action SHOULD be taken immediately

Illinois, Missouri Severe Thunderstorm Warning | Effective 04/17/2026 13:42

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 342 PM CDT, a severe thunderstorm was located over Harvester, or<br /> near St. Peters, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Trained spotters reported quarter size hail in Chesterfield. IMPACT...Hail damage to vehicles is expected. Expect wind damage to<br /> roofs, siding, and trees. Locations impacted include...<br /> Chesterfield, Dardenne Prairie, O'Fallon, Weldon Spring,<br />

Missouri Severe Thunderstorm Warning | Effective 04/17/2026 13:43

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 343 PM CDT, a severe thunderstorm was located 6 miles west of<br /> Shelbyville, or 10 miles northwest of Shelbina, moving northeast at<br /> 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to<br /> roofs, siding, and trees. Locations impacted include...<br /> Shelbyville, Leonard, Bethel, Plevna, Novelty, Newark and<br /> Steffenville. Instruction:<br />

Illinois Tornado Warning | Effective 04/17/2026 13:43

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 343 PM CDT, a confirmed large and extremely dangerous tornado was<br /> located over Lena, or 11 miles northwest of Freeport, moving east at<br /> 25 mph. This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! HAZARD...Damaging tornado. SOURCE...Weather spotters confirmed tornado. IMPACT...You are in a life-threatening situation. Flying debris may<br /> be deadly to those caught without shelter. Mobile homes<br />

Iowa Severe Thunderstorm Warning | Effective 04/17/2026 13:44

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for...<br /> Northeastern Poweshiek County in central Iowa...<br /> Southeastern Tama County in central Iowa... * Until 415 PM CDT. * At 344 PM CDT, a severe thunderstorm was located over Holiday Lake,<br /> or 10 miles southeast of Toledo, moving east at 45 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated.

Iowa Tornado Warning Extreme | Effective 04-17-2026 13:24

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> TORDMX The National Weather Service in Des Moines has issued a * Tornado Warning for...<br /> Northern Poweshiek County in central Iowa... * Until 415 PM CDT. * At 323 PM CDT, a severe thunderstorm capable of producing a tornado<br /> was located over Grinnell, moving east at 40 mph. HAZARD...Tornado and golf ball size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without<br />

Missouri Tornado Warning Extreme | Effective 04-17-2026 13:25

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> TOREAX The National Weather Service in Pleasant Hill has issued a * Tornado Warning for...<br /> Southeastern Buchanan County in northwestern Missouri...<br /> Western Clinton County in northwestern Missouri...<br /> Northeastern Platte County in west central Missouri... * Until 400 PM CDT. * At 325 PM CDT, a severe thunderstorm capable of producing a tornado<br /> was located near Dearborn, or 8 miles north of Weston, moving east<br /> at 40 mph.

Illinois Tornado Warning Extreme | Effective 04-17-2026 13:27

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> TORDVN The National Weather Service in the Quad Cities has issued a * Tornado Warning for...<br /> Eastern Jo Daviess County in northwestern Illinois...<br /> Northeastern Carroll County in northwestern Illinois...<br /> Stephenson County in northwestern Illinois... * Until 415 PM CDT. * At 327 PM CDT, a severe thunderstorm capable of producing a tornado<br /> was located over Willow, or 14 miles north of Mount Carroll, moving<br /> east at 30 mph.

Oklahoma Severe Thunderstorm Warning Severe | Effective 04-17-2026 13:37

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for...<br /> East central Woods County in northwestern Oklahoma...<br /> West central Alfalfa County in northwestern Oklahoma... * Until 400 PM CDT. * At 336 PM CDT, a severe thunderstorm was located near Dacoma,<br /> moving northeast at 40 mph. THIS IS A DESTRUCTIVE STORM FOR DACOMA AND LAMBERT. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Radar indicated.

Iowa Tornado Warning | Effective 04/17/2026 13:04

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 303 PM CDT, a severe thunderstorm capable of producing a tornado<br /> was located near Jerico, or 7 miles north of New Hampton, moving<br /> northeast at 45 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without<br /> shelter. Mobile homes will be damaged or destroyed. Damage<br /> to roofs, windows, and vehicles will occur. Tree damage is<br /> likely.
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