Severe

Significant threat to life or property

Illinois Flood Warning | Effective 04/18/2026 10:16

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Illinois... Des Plaines River at Lincolnshire affecting Cook and Lake IL<br /> Counties. Des Plaines River near Russell affecting Lake IL County. ...The Flood Warning is extended for the following rivers in<br /> Illinois... Des Plaines River near Gurnee affecting Lake IL County. * WHAT...Moderate flooding is occurring and moderate flooding is<br /> forecast.

Illinois Flood Warning | Effective 04/18/2026 10:16

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Illinois... Des Plaines River at Lincolnshire affecting Cook and Lake IL<br /> Counties. Des Plaines River near Russell affecting Lake IL County. ...The Flood Warning is extended for the following rivers in<br /> Illinois... Des Plaines River near Gurnee affecting Lake IL County. * WHAT...Moderate flooding is occurring and moderate flooding is<br /> forecast.

South Dakota Red Flag Warning | Effective 04/18/2026 09:57

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING<br /> FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES<br /> 322 AND 326... .Today will be mild and dry with highs in the 50s and humidities<br /> dropping to as low as 15%. Northwest winds will increase with<br /> gusts of up to 45 MPH through early this evening. The combination<br /> of dry and windy conditions along with dry fuels will create<br /> critical fire weather conditions.

Wisconsin Flood Warning | Effective 04/18/2026 09:46

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Wisconsin... Wolf River at New London affecting Outagamie, Winnebago and Waupaca<br /> Counties. Wolf River near Shiocton affecting Outagamie, Shawano and Waupaca<br /> Counties. For the Lower Wolf River...including Shiocton, New London, Lake<br /> Poygan...Major flooding is forecast. * WHAT...Major flooding is occurring and major flooding is forecast.<br /> This approaches the flood of record.

Wisconsin Flood Warning | Effective 04/18/2026 09:46

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Wisconsin... Wolf River at New London affecting Outagamie, Winnebago and Waupaca<br /> Counties. Wolf River near Shiocton affecting Outagamie, Shawano and Waupaca<br /> Counties. For the Lower Wolf River...including Shiocton, New London, Lake<br /> Poygan...Major flooding is forecast. * WHAT...Major flooding is occurring and moderate flooding is<br /> forecast. This approaches the flood of record.

Texas Severe Thunderstorm Warning | Effective 04/18/2026 09:49

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> SVRSJT The National Weather Service in San Angelo has issued a * Severe Thunderstorm Warning for...<br /> South central Schleicher County in west central Texas...<br /> Sutton County in west central Texas... * Until 1245 PM CDT. * At 1146 AM CDT, a severe thunderstorm was located 10 miles<br /> southwest of The Intersection Of I-10 And Ranch Road 1989, or 15<br /> miles west of Sonora, moving northeast at 40 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts.

Illinois Flood Warning | Effective 04/18/2026 09:50

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Illinois... Illinois River near Havana affecting Fulton, Mason and Cass<br /> Counties. Illinois River at Beardstown affecting Morgan, Schuyler, Brown<br /> and Cass Counties. .The following forecasts are based on observed precipitation, soil<br /> moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown.

Illinois Flood Warning | Effective 04/18/2026 09:50

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Illinois... Illinois River near Havana affecting Fulton, Mason and Cass<br /> Counties. Illinois River at Beardstown affecting Morgan, Schuyler, Brown<br /> and Cass Counties. .The following forecasts are based on observed precipitation, soil<br /> moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and moderate flooding is<br /> forecast.

Illinois Flood Warning | Effective 04/18/2026 09:55

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning is extended for the following rivers in<br /> Illinois... Illinois River at Hardin. River forecasts are based on observed precipitation and forecast<br /> precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...From Sunday evening until further notice. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of<br /> unprotected agricultural land begins. * ADDITIONAL DETAILS...<br />

Ohio, Pennsylvania, West Virginia Freeze Watch | Effective 04/18/2026 09:56

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Sub-freezing temperatures as low as 29 possible. * WHERE...Portions of east central Ohio, northwest, southwest, and<br /> western Pennsylvania, and northern West Virginia. * WHEN...From late Sunday night through Monday morning. * IMPACTS...Frost and freeze conditions could kill crops, other<br /> sensitive vegetation and possibly damage unprotected outdoor<br /> plumbing. * ADDITIONAL DETAILS...Another higher threat for sub-freezing<br />
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