Severe

Significant threat to life or property

Wyoming Winter Storm Warning | Effective 05/17/2026 10:55

* WHAT...Snow expected. Total snow accumulations between 5 and 8 inches, with higher amounts near Sinks Canyon Park. * WHERE...Lander Foothills. * WHEN...From 6 PM this evening to 6 PM MDT Monday. * 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.

Wyoming Winter Storm Warning | Effective 05/17/2026 10:55

* WHAT...Heavy snow possible. Total snow accumulations between 7 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...From 6 PM this evening to 6 PM MDT Monday. * 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 05/17/2026 10:55

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

Wyoming Winter Storm Warning | Effective 05/17/2026 10:55

* WHAT...Heavy snow expected. Total snow accumulations between 9 and 18 inches, with locally higher amounts at the highest elevations. Winds gusting as high as 60 mph. * WHERE...Wind River Mountains East. * WHEN...From 6 PM this evening to 6 PM MDT Monday. * 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 05/17/2026 10:55

* WHAT...Heavy snow possible. Total snow accumulations between 10 and 18 inches possible. Winds could gust as high as 40 mph. * WHERE...Casper Mountain. * WHEN...From 6 PM this evening to 6 PM MDT Monday. * 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 05/17/2026 10:55

* WHAT...Heavy snow expected. Total snow accumulations between 7 and 10 inches. Winds gusting as high as 60 mph. * WHERE...East Sweetwater County. * WHEN...From 6 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel will be very difficult, especially along Interstate 80. 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. For graphical depictions of the snowfall forecast, including the

Oklahoma Red Flag Warning | Effective 05/17/2026 10:45

* WINDS...South 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 23 percent. * TEMPERATURES...Up to 96. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...90th+ percentile...5 (out of 5). WEATHER...Near Critical...2 (out of 5). FIRE ENVIRONMENT...7 (out of 10). A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of

Oklahoma, Texas Fire Weather Watch | Effective 05/17/2026 10:45

* WINDS...South 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 18 percent. * TEMPERATURES...Up to 97. * IMPACTS... * SEVERITY... FUELS (ERC)...70th-89th percentile...4 (out of 5). WEATHER...Near Critical...2 (out of 5). FIRE ENVIRONMENT...6 (out of 10). A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Oklahoma Red Flag Warning | Effective 05/17/2026 10:45

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR HOT, DRY, AND WINDY CONDITIONS FOR PARTS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... * WINDS...South 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 10 to 15 percent. * TEMPERATURES...Up to 97. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...90th+ percentile...5 (out of 5). WEATHER...Near Critical...2 (out of 5). FIRE ENVIRONMENT...7 (out of 10).

Oklahoma Fire Weather Watch | Effective 05/17/2026 10:45

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR HOT, DRY, AND WINDY CONDITIONS FOR PARTS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... * WINDS...South 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 10 to 15 percent. * TEMPERATURES...Up to 97. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...90th+ percentile...5 (out of 5). WEATHER...Near Critical...2 (out of 5). FIRE ENVIRONMENT...7 (out of 10).
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