Immediate

Responsive action SHOULD be taken immediately

Illinois Severe Thunderstorm Warning | Effective 04/17/2026 18:21

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 820 PM CDT, severe thunderstorms were located along a line<br /> extending from Camp Grove to near Spring Bay to near Glasford to<br /> near Mason City to near Ashland, moving east at 70 mph. There have<br /> also been numerous embedded tornadoes within this line. HAZARD...70 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile<br /> homes, roofs, and outbuildings.

Oklahoma Tornado Warning | Effective 04/17/2026 18:21

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> The storm which prompted the warning has weakened below severe<br /> limits, and no longer appears capable of producing a tornado.<br /> Therefore, the warning will be allowed to expire. However, gusty<br /> winds are still possible with this thunderstorm. A Tornado Watch remains in effect until 900 PM CDT for northeastern<br /> Oklahoma. Instruction:

Oklahoma Severe Thunderstorm Warning | Effective 04/17/2026 18:22

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 /> Northwestern Washita County in western Oklahoma...<br /> Southeastern Roger Mills County in western Oklahoma...<br /> Western Custer County in western Oklahoma...<br /> Northeastern Beckham County in western Oklahoma... * Until 915 PM CDT. * At 822 PM CDT, a severe thunderstorm was located near Strong City,<br /> moving east at 35 mph.

Oklahoma Severe Thunderstorm Warning | Effective 04/17/2026 18:22

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> The storms which prompted the warning have weakened below severe<br /> limits, and no longer pose an immediate threat to life or property.<br /> Therefore, the warning will be allowed to expire. However, gusty<br /> winds are still possible with these thunderstorms. A Tornado Watch remains in effect until 900 PM CDT for northeastern<br /> Oklahoma. Instruction:

Missouri Flood Warning | Effective 04/17/2026 18:22

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Missouri... Lamine River near Otterville affecting Cooper County. * WHAT...Minor flooding is forecast. * WHERE...Lamine River near Otterville. * WHEN...From Saturday afternoon to early Monday morning. * IMPACTS...At 15.0 feet, Low lying woodlands and fields along the<br /> river flood.<br /> At 18.0 feet, Some gravel roads upstream and downstream from<br />

Illinois Tornado Warning Extreme | Effective 04-17-2026 18:01

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> TORILX The National Weather Service in Lincoln has issued a * Tornado Warning for...<br /> Western Marshall County in central Illinois...<br /> Southeastern Stark County in north central Illinois...<br /> Northern Peoria County in central Illinois... * Until 830 PM CDT. * At 801 PM CDT, a severe thunderstorm capable of producing a tornado<br /> was located over Brimfield, or 14 miles northwest of Peoria, moving<br /> northeast at 55 mph. HAZARD...Tornado.

Illinois Tornado Warning Extreme | Effective 04-17-2026 18:02

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> TORILX The National Weather Service in Lincoln has issued a * Tornado Warning for...<br /> Northeastern Fulton County in west central Illinois...<br /> West central Tazewell County in central Illinois...<br /> Southwestern Peoria County in central Illinois... * Until 830 PM CDT. * At 802 PM CDT, severe thunderstorms capable of producing both<br /> tornadoes and extensive straight line wind damage were located over<br />

Illinois Tornado Warning Extreme | Effective 04-17-2026 18:04

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> TORLOT The National Weather Service in Chicago has issued a * Tornado Warning for...<br /> Northern Lake County in northeastern Illinois... * Until 900 PM CDT. * At 804 PM CDT, a severe thunderstorm capable of producing a tornado<br /> was located near Wonder Lake, or near McHenry, moving east at 40<br /> mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without<br />

Oklahoma Tornado Warning Extreme | Effective 04-17-2026 18:07

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> TORTSA The National Weather Service in Tulsa has issued a * Tornado Warning for...<br /> East central Osage County in northeastern Oklahoma...<br /> Northern Washington County in northeastern Oklahoma... * Until 830 PM CDT. * At 807 PM CDT, a severe thunderstorm capable of producing a tornado<br /> was located near Okesa, moving northeast at 45 mph. HAZARD...Tornado and quarter size hail. SOURCE...Radar indicated rotation.

Illinois Tornado Warning Extreme | Effective 04-17-2026 18:07

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> TORLOT The National Weather Service in Chicago has issued a * Tornado Warning for...<br /> Northwestern La Salle County in north central Illinois...<br /> Southeastern Lee County in north central Illinois... * Until 845 PM CDT. * At 807 PM CDT, severe thunderstorms capable of producing both<br /> tornadoes and extensive straight line wind damage were located<br /> along a line extending from 6 miles west of La Moille to 6 miles<br />
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