Severe

Significant threat to life or property

Wyoming Winter Storm Warning | Effective 05/18/2026 11:46

* WHAT...Snow expected. Additional snow accumulations up to 2 inches. * WHERE...Lander Foothills. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult. Heavy snow could break tree limbs as many trees have leafed out. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter .

Wyoming Winter Storm Warning | Effective 05/18/2026 11:46

* WHAT...Heavy snow. Additional snow accumulations up to 2 inches, with 4 to 6 inches at the highest elevations. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains East. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be very difficult, especially over South Pass. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the

Wyoming Winter Storm Warning | Effective 05/18/2026 11:46

* WHAT...Heavy snow. Additional snow accumulations 1 to 4 inches. Winds gusting as high as 50 mph. * WHERE...Green Mountains and Rattlesnake Range. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be difficult due to a combination of wind and falling snow. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit

Missouri Severe Thunderstorm Warning | Effective 05/18/2026 11:48

At 148 PM CDT, a severe thunderstorm was located 8 miles northeast of Bolivar, moving northeast at 40 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... Polk and Goodson. For your protection move to an interior room on the lowest floor of a building.

Michigan Severe Thunderstorm Warning | Effective 05/18/2026 11:48

At 247 PM EDT, a severe thunderstorm was located over Pickerel Lake, or 15 miles southwest of Onaway, moving northeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe storm will be near... Afton around 250 PM EDT. Onaway, Tower, and Allis Township around 255 PM EDT. Onaway State Park around 305 PM EDT. Ocqueoc and Black Lake around 310 PM EDT. Huron Beach around 315 PM EDT. Forty Mile Point around 330 PM EDT.

Indiana, Michigan Severe Thunderstorm Warning | Effective 05/18/2026 11:49

SVRIWX The National Weather Service in Northern Indiana has issued a * Severe Thunderstorm Warning for... Steuben County in northeastern Indiana... Eastern Lagrange County in northeastern Indiana... Branch County in southwestern Michigan... * Until 330 PM EDT. * At 248 PM EDT, severe thunderstorms were located along a line extending from near Union City to 7 miles south of Bronson to near Rome City, moving northeast at 50 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated.

Michigan Severe Thunderstorm Warning | Effective 05/18/2026 11:50

At 250 PM EDT, a severe thunderstorm was located over Johannesburg, or 9 miles east of Gaylord, moving northeast at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of Otsego and northeastern Crawford Counties. For your protection move to an interior room on the lowest floor of a building.

Missouri Flood Warning | Effective 05/18/2026 11:52

...The National Weather Service in Kansas City/Pleasant Hill has issued a Flood Warning for the following rivers in Missouri... Lamine River near Otterville affecting Cooper County. Moniteau Creek near Fayette affecting Howard County. Petite Saline Creek near Boonville affecting Cooper County. * WHAT...Moderate flooding is forecast. * WHERE...Petite Saline Creek near Boonville. * WHEN...From Tuesday morning to Wednesday evening. * IMPACTS...At 19.5 feet, The creek floods U Highway about 4 miles southeast of Boonville. * ADDITIONAL DETAILS...

Kansas Severe Thunderstorm Warning | Effective 05/18/2026 11:52

At 151 PM CDT, a severe thunderstorm was located 5 miles south of Jamestown, moving northeast at 50 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Trained weather spotters. At 1:51 PM, quarter size hail was reported 6 miles southwest of Jamestown. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include...
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