Severe

Significant threat to life or property

Illinois Severe Flood Warning | Effective 06/18/2026 08:57

...The Flood Warning continues for the following rivers in<br /> Illinois... Illinois River at Henry affecting Putnam and Marshall Counties. Illinois River at Peoria affecting Peoria, Tazewell and Woodford<br /> Counties. Illinois River at Beardstown affecting Morgan, Cass, Schuyler and<br /> Brown Counties. Illinois River near Havana affecting Mason, Fulton and Cass<br /> Counties. .The following forecasts are based on observed precipitation, soil<br /> moisture conditions, and forecast precipitation. * WHAT...Minor flooding is forecast.

Louisiana Severe Flash Flood Warning | Effective 06-18-2026 08:38

At 1038 AM CDT, Doppler radar indicated thunderstorms producing heavy<br /> rain across the warned area. Between 5 and 8 inches of rain have<br /> fallen. Additional rainfall amounts of 2 to 6 inches are possible in<br /> the warned area. Flash flooding is ongoing or expected to begin<br /> shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing<br /> flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban<br /> areas, highways, streets and underpasses.

Texas Severe Extreme Heat Watch | Effective 06/18/2026 08:31

* WHAT...For the Extreme Heat Warning, dangerously hot conditions<br /> with heat index values up to 124 expected. For the Extreme Heat<br /> Watch, dangerously hot conditions with heat index values up to 120<br /> possible. * WHERE...All of Deep South Texas, excepting the barrier islands * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening.<br /> For the Extreme Heat Watch, from Friday morning through Friday<br /> evening. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat and high humidity events.

Texas Severe Extreme Heat Warning | Effective 06/18/2026 08:31

* WHAT...For the Extreme Heat Warning, dangerously hot conditions<br /> with heat index values up to 124 expected. For the Extreme Heat<br /> Watch, dangerously hot conditions with heat index values up to 120<br /> possible. * WHERE...All of Deep South Texas, excepting the barrier islands * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening.<br /> For the Extreme Heat Watch, from Friday morning through Friday<br /> evening. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat and high humidity events.

New York, Pennsylvania Severe Severe Thunderstorm Warning | Effective 06/18/2026 08:31

SVRBGM The National Weather Service in Binghamton has issued a * Severe Thunderstorm Warning for...<br /> Southeastern Schuyler County in central New York...<br /> Northwestern Broome County in central New York...<br /> South central Madison County in central New York...<br /> Southeastern Cayuga County in central New York...<br /> Cortland County in central New York...<br /> Chemung County in central New York...<br /> Tioga County in central New York...<br /> Southeastern Steuben County in central New York...<br />

Mississippi Severe Flash Flood Warning | Effective 06/18/2026 08:31

FFWMOB The National Weather Service in Mobile has issued a * Flash Flood Warning for...<br /> Northern George County in southeastern Mississippi...<br /> Greene County in southeastern Mississippi... * Until 430 PM CDT. * At 1031 AM CDT, Doppler radar indicated thunderstorms producing<br /> heavy rain across the warned area. Between 3 and 5 inches of rain<br /> have fallen. Flash flooding is ongoing or expected to begin<br /> shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

Mississippi Severe Flash Flood Warning | Effective 06/18/2026 08:35

At 1035 AM CDT, emergency management and broadcast media reported<br /> thunderstorms producing heavy rain and flooding across the warned<br /> area. Between 4 and 7 inches of rain have fallen. Flash flooding has<br /> already been reported across Stone County. HAZARD...Life threatening flash flooding. Thunderstorms producing<br /> flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban<br /> areas, highways, streets and underpasses.

Louisiana Severe Flash Flood Warning | Effective 06/18/2026 08:38

At 1038 AM CDT, Doppler radar indicated thunderstorms producing heavy<br /> rain across the warned area. Between 5 and 8 inches of rain have<br /> fallen. Additional rainfall amounts of 2 to 6 inches are possible in<br /> the warned area. Flash flooding is ongoing or expected to begin<br /> shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing<br /> flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban<br /> areas, highways, streets and underpasses.

Oklahoma Severe Severe Thunderstorm Warning | Effective 06/18/2026 08:43

SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for...<br /> Southern Kay County in northern Oklahoma...<br /> Northeastern Noble County in northern Oklahoma... * Until 1130 AM CDT. * At 1043 AM CDT, a severe thunderstorm was located near Tonkawa,<br /> moving east at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage<br /> to roofs, siding, and trees. * Locations impacted include...<br />

Iowa Severe Flood Warning | Effective 06/18/2026 08:15

...The Flood Warning continues for the following rivers in Iowa...<br /> Illinois... Wapsipinicon River near De Witt 4S affecting Scott and Clinton<br /> Counties. Iowa River at Oakville affecting Louisa County. La Moine River at Colmar affecting McDonough and Hancock Counties. ...The Flood Warning is extended for the following rivers in Iowa... Iowa River at Wapello affecting Louisa County. Iowa River near Lone Tree affecting Louisa, Johnson and<br /> Washington Counties. Iowa River at Marengo affecting Benton and Iowa Counties.
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