Severe

Significant threat to life or property

Michigan Severe Thunderstorm Warning | Effective 05/18/2026 13:36

At 436 PM EDT, severe thunderstorms were located along a line extending from Fenton to near Hartland to near Whitmore Lake, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... South Lyon and Whitmore Lake around 440 PM EDT. Other locations impacted by these severe thunderstorms include Island Lake State Recreation Area, Chilson, Lakeland, Tyrone Township, and Deerfield Township.

Michigan Severe Thunderstorm Warning | Effective 05/18/2026 13:37

At 437 PM EDT, severe thunderstorms were located along a line extending from near Brighton to near Dixboro to near Manchester, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Ann Arbor, Saline, Salem, and Dixboro around 440 PM EDT. Ypsilanti around 445 PM EDT. Other locations impacted by these severe thunderstorms include Hudson Mills, Pittsfield Township, Whittaker, Lyndon Township, Hudson Mills

Missouri Flood Warning | Effective 05/18/2026 13:39

...The Flood Warning continues for the following rivers in Missouri... Chariton River at Novinger affecting Adair, Macon, Schuyler and Putnam Counties. * WHAT...Minor flooding is forecast. * WHERE...Chariton River at Novinger. * WHEN...From Tuesday morning to Wednesday afternoon. * IMPACTS...At 23.0 feet, Moderate flooding of farmland occurs. * ADDITIONAL DETAILS... - At 2:45 PM CDT Monday the stage was 9.5 feet. - Forecast...The river will rise will rise above flood stage late

Kansas Severe Thunderstorm Warning | Effective 05/18/2026 13:40

SVRTOP The National Weather Service in Topeka has issued a * Severe Thunderstorm Warning for... Northern Ottawa County in north central Kansas... West central Clay County in north central Kansas... Eastern Cloud County in north central Kansas... * Until 415 PM CDT. * At 340 PM CDT, a severe thunderstorm was located near Miltonvale, moving northeast at 35 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail

Michigan Severe Thunderstorm Warning | Effective 05/18/2026 13:40

At 440 PM EDT, severe thunderstorms were located along a line extending from near Unionville to near Akron to near Columbiaville, moving northeast at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Caro, Mayville, and Gagetown around 445 PM EDT. Cass City and Kingston around 450 PM EDT. Other locations impacted by these severe thunderstorms include East Dayton, Colling, Tuscola, Wilmot, Wisner, Ellington, Gilford,

Wyoming Winter Storm Warning | Effective 05/18/2026 13:41

* WHAT...Snow. Additional snow accumulations up to three inches. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80, and Ferris/Seminoe/Shirley Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Heavy wet snow. Roads, and especially bridges, will likely become slick and hazardous. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Wyoming Winter Storm Warning | Effective 05/18/2026 13:41

* WHAT...Snow. Additional snow accumulations up to 4 inches. Winds gusting as high as 40 mph. * WHERE...Sierra Madre Range. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Strong winds could cause tree damage. * ADDITIONAL DETAILS...North to northeast facing slopes and ridges will see the highest accumulations, with accumulations much lower on the western side of the range near Dixon and Baggs.

Wyoming Winter Storm Warning | Effective 05/18/2026 13:41

* WHAT...Snow. Additional snow accumulations up to three inches. * WHERE...Snowy Range and North Laramie Range. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Heavy wet snow. Roads, and especially bridges, will likely become slick and hazardous. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Wyoming Winter Storm Warning | Effective 05/18/2026 13:41

* WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the

Wyoming Winter Storm Warning | Effective 05/18/2026 13:41

* WHAT...Snow. Additional snow accumulations up to three inches. Winds gusting as high as 45 mph. * WHERE...Central Carbon County. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your
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