Severe

Significant threat to life or property

Missouri Flood Warning | Effective 05/18/2026 03:10

...The Flood Warning is extended for the following rivers in Missouri... Grand River near Pattonsburg affecting Gentry and Daviess Counties. * WHAT...Minor flooding is forecast. * WHERE...Grand River near Pattonsburg. * WHEN...Until Thursday morning. * IMPACTS...At 30.0 feet, Nearly all agricultural land and secondary roads in the Grand River floodplain flood. * ADDITIONAL DETAILS... - At 4:30 AM CDT Monday the stage was 24.8 feet. - Bankfull stage is 25.0 feet.

Oklahoma, Texas Red Flag Warning | Effective 05/18/2026 03:15

* WINDS...Southwest at 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 5 percent. * TEMPERATURES...90s to around 100. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...90th+ percentile...5 (out of 5). WEATHER...Extreme...4 (out of 5). FIRE ENVIRONMENT...9 (out of 10). A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of

Kansas Flood Warning | Effective 05/18/2026 02:47

...The National Weather Service in Topeka KS has issued a Flood Warning for the following rivers in Kansas... Salt Creek near Ada affecting Ottawa County. * WHAT...Minor flooding is forecast. * WHERE...Salt Creek near Ada. * WHEN...Until this evening. * IMPACTS...At 18.0 feet, Minor low land flooding along the Salt Creek. At 20.0 feet, 50th Road just south of the bridge over the Salt Creek floods. At 20.2 feet, Deck of 50th Road bridge over the Salt Creek floods. * ADDITIONAL DETAILS...

Wyoming Winter Storm Warning | Effective 05/18/2026 02:14

* WHAT...Heavy snow possible. Additional snow accumulations between 6 and 12 inches possible with locally higher amounts up to 15 inches. Winds gusting as high as 55 mph. * WHERE...Green Mountains and Rattlesnake Range. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be difficult. The hazardous conditions will impact the Monday morning commute. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

Wyoming Winter Storm Warning | Effective 05/18/2026 02:14

* WHAT...Heavy snow expected. Total snow accumulations between 3 and 6 inches. Areas of higher amounts up to 8 inches between Hiland and Casper and the south side of Casper. Winds gusting as high as 40 mph. * WHERE...Natrona County Lower Elevations. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be difficult, especially along US Highway 20/26 between Hiland and Casper. The hazardous conditions will impact the Monday morning commute. Heavy snow could break tree

Wyoming Winter Storm Warning | Effective 05/18/2026 02:14

* WHAT...Heavy snow expected. Additional snow accumulations between 5 and 9 inches, with locally higher amounts at the highest elevations. Winds gusting as high as 60 mph. * WHERE...Wind River Mountains East. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute, including over South Pass. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

Wyoming Winter Storm Warning | Effective 05/18/2026 02:14

* WHAT...Heavy snow expected. Additional snow accumulations between 4 and 8 inches. Lower amounts up to 2 inches in the Rock Springs area. Winds gusting as high as 60 mph. * WHERE...East Sweetwater County. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be very difficult, especially along Interstate 80 due to the crosswind component. The hazardous conditions will impact the Monday morning commute. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

Wyoming Winter Storm Warning | Effective 05/18/2026 02:14

* WHAT...Heavy snow possible. Additional snow accumulations between 6 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...Casper Mountain. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Heavy snow could break tree limbs as many trees have leafed out. If you must travel, keep an extra flashlight, food, and water in

Wyoming Winter Storm Warning | Effective 05/18/2026 02:14

* WHAT...Snow expected. Additional snow accumulations between 5 and 8 inches, with higher amounts near Sinks Canyon Park. * WHERE...Lander Foothills. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Monday morning commute. 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
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