Severe

Significant threat to life or property

Kansas Severe Thunderstorm Warning | Effective 05/18/2026 18:00

SVRICT The National Weather Service in Wichita has issued a * Severe Thunderstorm Warning for... Southern Reno County in south central Kansas... Sedgwick County in south central Kansas... Central Butler County in south central Kansas... Kingman County in south central Kansas... * Until 845 PM CDT. * At 800 PM CDT, a severe thunderstorm was located 6 miles west of Kingman, moving east at 40 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated.

Iowa Severe Thunderstorm Warning | Effective 05/18/2026 18:08

SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Northeastern Polk County in central Iowa... Southeastern Story County in central Iowa... Marshall County in central Iowa... Northwestern Jasper County in central Iowa... * Until 900 PM CDT. * At 808 PM CDT, a severe thunderstorm was located over Valeria, or 10 miles northeast of Altoona, moving northeast at 45 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated.

Missouri Flash Flood Warning | Effective 05/18/2026 18:09

FFWEAX The National Weather Service in Pleasant Hill has issued a * Flash Flood Warning for... Northern Nodaway County in northwestern Missouri... Northwestern Worth County in northwestern Missouri... * Until 215 AM CDT Tuesday. * At 809 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Illinois, Missouri Flash Flood Warning | Effective 05/18/2026 18:09

At 809 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.

Kansas Severe Thunderstorm Warning | Effective 05/18/2026 18:10

At 810 PM CDT, a severe thunderstorm was located near Newton, moving east at 40 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Newton, Hesston, Halstead, Marion, North Newton, Sedgwick, Peabody, Cottonwood Falls, Whitewater, Strong City, Florence, Potwin, Walton, Elbing, Burns, Cassoday, Bazaar, Elmdale, Matfield Green, and Cedar Point.

Missouri Severe Thunderstorm Warning | Effective 05/18/2026 18:10

At 810 PM CDT, a severe thunderstorm was located near Skidmore, or near Maryville, moving northeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Maryville, Savannah, Mound City, Oregon, Ravenwood, Maitland, Skidmore, Forest City, Fillmore, Barnard, Conception Junction, Bolckow, Graham, Pickering, Rosendale, Guilford, Clyde, Arkoe, Rea, and Quitman.

Pennsylvania Severe Thunderstorm Warning | Effective 05/18/2026 18:12

At 912 PM EDT, a severe thunderstorm was located over Cogan Station, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Jersey Shore, Carroll, Avis, McElhattan, Collomsville, Loganton, Oval, and Salladasburg. For those driving on Interstate 80, this includes areas between the Lock Haven and Mile Run exits, specifically from mile markers 182 to 194. Stay inside a well built structure and keep away from windows.

Kansas Flood Warning | Effective 05/18/2026 18:13

...The National Weather Service in Kansas City/Pleasant Hill has issued a Flood Warning for the following rivers in Kansas... Marais Des Cygnes River at La Cygne affecting Linn County. * WHAT...Minor flooding is forecast. * WHERE...Marais Des Cygnes River at La Cygne. * WHEN...From Wednesday morning to Friday morning. * IMPACTS...At 30.0 feet, Highway 152 floods 0.75 miles west of La Cygne. If Middle Creek is also flooding Highway 152, the only route into or out of La Cygne will be the County Road, or 4th Street, leading north from La Cygne.

Kansas Flood Warning | Effective 05/18/2026 18:13

...The National Weather Service in Kansas City/Pleasant Hill has issued a Flood Warning for the following rivers in Kansas... Marais Des Cygnes River at Osawatomie affecting Miami County. * WHAT...Minor flooding is forecast. * WHERE...Marais Des Cygnes River at Osawatomie. * WHEN...From late Tuesday night to Thursday afternoon. * IMPACTS...At 28.0 feet, Low-lying areas along the river begin to flood. * ADDITIONAL DETAILS... - At 7:00 PM CDT Monday the stage was 13.5 feet.

Iowa Severe Thunderstorm Warning | Effective 05/18/2026 18:14

At 814 PM CDT, a severe thunderstorm was located near Mingo, or 10 miles west of Newton, moving northeast at 45 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Altoona, Bondurant, Mitchellville, Colfax, Mingo, and Valeria. This includes Interstate 80 between mile markers 145 and 158. A Tornado Watch remains in effect until 1000 PM CDT for central Iowa. For your protection move to an interior room on the lowest floor of a building.
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