Expected

Responsive action SHOULD be taken soon (within next hour)

Wyoming Red Flag Warning | Effective 04/18/2026 13:12

Public safety alert, emergency alert, and weather alert Description: The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM Sunday to 8 PM MDT Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 417 and 418. * WIND...West to northwest winds with gusts between 20 and 30 mph. * HUMIDITY...9 to 13 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. Instruction:

Nebraska, Wyoming Red Flag Warning | Effective 04/18/2026 13:12

Public safety alert, emergency alert, and weather alert Description: ...RED FLAG WARNING IN EFFECT FROM 11 AM SUNDAY TO 8 PM MDT MONDAY FOR GUSTY WINDS, VERY LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 430, 431, 432, 433, 434, 435, 436, AND 437... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM Sunday to 8 PM MDT Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 430 through 437.

Nebraska, Wyoming Red Flag Warning | Effective 04/18/2026 13:12

Public safety alert, emergency alert, and weather alert Description: ...RED FLAG WARNING IN EFFECT FROM 11 AM SUNDAY TO 8 PM MDT MONDAY FOR GUSTY WINDS, VERY LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 430, 431, 432, 433, 434, 435, 436, AND 437... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM Sunday to 8 PM MDT Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 430 through 437.

Minnesota, South Dakota Special Weather Statement | Effective 04/18/2026 13:13

Public safety alert, emergency alert, and weather alert Description: Northwest winds gusting from 30 to 35 mph along with relative humidity values from 20 to 25 percent will exist across portions of central and northeast South Dakota and west central Minnesota the remainder of this afternoon into early evening. With dry fuels in place, any fires that develop could spread quickly. Conditions will improve closer to sunset. Consider postponing burning due to the high grassland fire danger. Instruction:

Alaska Winter Weather Advisory | Effective 04/18/2026 13:13

Public safety alert, emergency alert, and weather alert Description: * WHAT...Snow expected. Total snow accumulations between 5 and 10 inches. Winds gusting as high as 40 mph. * WHERE...Southern Denali Borough. * WHEN...From 1 AM Sunday to 4 PM AKDT Monday. * IMPACTS...Travel could be difficult. Areas of blowing snow could significantly reduce visibility. Instruction: Slow down and use caution while traveling. Visit 511.alaska.gov or call 5 1 1 for the latest road conditions.

Alaska Winter Storm Warning | Effective 04/18/2026 13:13

Public safety alert, emergency alert, and weather alert Description: * WHAT...Heavy snow expected. Total snow accumulations between 8 and 16 inches. Winds gusting as high as 40 mph. * WHERE...Eastern Alaska Range South of Trims Camp. * WHEN...From 1 AM Sunday to 4 PM AKDT Monday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. Instruction: If you must travel, keep an extra flashlight, food, and water in

Alaska Winter Weather Advisory | Effective 04/18/2026 13:13

Public safety alert, emergency alert, and weather alert Description: * WHAT...Snow expected. Total snow accumulations between 3 and 6 inches. * WHERE...Central Interior, Chatanika River Valley, Two Rivers, Upper Chena River Valley, and White Mountains and High Terrain South of the Yukon River. * WHEN...From 4 AM Sunday to 4 PM AKDT Monday. * IMPACTS...Travel could be difficult. Instruction: Slow down and use caution while traveling. Visit 511.alaska.gov or call 5 1 1 for the latest road conditions.

Alaska Winter Weather Advisory | Effective 04/18/2026 13:13

Public safety alert, emergency alert, and weather alert Description: * WHAT...Snow and blowing snow expected. Total snow accumulations between 3 and 6 inches. Winds gusting as high as 40 mph. * WHERE...Dalton Highway Summits. * WHEN...From 4 AM Sunday to 4 PM AKDT Monday. * IMPACTS...Travel could be difficult. Instruction: Slow down and use caution while traveling. Visit 511.alaska.gov or call 5 1 1 for the latest road conditions.

Alaska Wind Advisory | Effective 04/18/2026 13:16

Public safety alert, emergency alert, and weather alert Description: * WHAT...South winds 25 to 40 mph with gusts up to 60 mph expected. * WHERE...Eastern Alaska Range North of Trims Camp. * WHEN...From 4 AM Sunday to 4 AM AKDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects and make travel difficult. * ADDITIONAL DETAILS...Periods of blowing snow may develop where strong winds and falling snow overlap. Visibilities may be reduced to 1/2 miles at times, with the highest chances occurring south of

Alaska Blizzard Warning | Effective 04/18/2026 12:20

Public safety alert, emergency alert, and weather alert Description: * WHAT...Blizzard conditions. Total snow accumulations between 1 and 2 inches. Winds gusting as high as 65 mph. * WHERE...St Lawrence Island. * WHEN...Until 10 AM AKDT Monday. * IMPACTS...Travel could be very difficult. Visibilities may drop below 1/4 mile due to falling and blowing snow. Very strong winds could result in power outages. * ADDITIONAL DETAILS...Strongest wind gusts will occur in Gambell. Instruction:
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