Severe

Significant threat to life or property

Red Flag Warning Wyoming | Effective 03/18/2026 00:55

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and<br /> Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA:<br /> In Central WY Fire Zones...280...289.<br /> In North Central WY Fire Zone....281. * COUNTIES AFFECTED:<br /> In Central WY...Fremont...Natrona.<br /> In North Central WY...Johnson.<br /> In Southwest WY...Sweetwater. * WIND: West 20 to 30 mph with gusts up to 45 mph today and<br />

Red Flag Warning Wyoming | Effective 03/18/2026 00:55

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and<br /> Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA:<br /> In Central WY Fire Zone....283.<br /> In North Central WY Fire Zones...276...282...287. * COUNTIES AFFECTED:<br /> In Central WY...Fremont.<br /> In North Central WY...Hot Springs...Park...Washakie. * WIND: Southwest 20 to 30 mph with gusts up to 45 mph today and<br />

High Wind Warning Montana | Effective 03/18/2026 00:23

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Westerly winds 30 to 40 mph with gusts up to 65 mph<br /> expected. * WHERE...Snowy and Judith Mountains and Fergus County below 4500ft. * WHEN...From 9 AM this morning to 9 PM MDT this evening. * IMPACTS...High winds may move loose debris and cause isolated<br /> power outages. Travel could be difficult, especially for high<br /> profile or light weight vehicles. * ADDITIONAL DETAILS...The strongest winds will be over the eastern<br /> half of the Fergus County.

High Wind Warning Montana | Effective 03/18/2026 00:23

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Westerly winds 30 to 40 mph with gusts up to 65 mph<br /> expected. * WHERE...Judith Basin County and Judith Gap. * WHEN...From 9 AM this morning to 9 PM MDT this evening. * IMPACTS...High winds may move loose debris and cause isolated<br /> power outages. Travel could be difficult, especially for high<br /> profile or light weight vehicles. Instruction:<br /> People are urged to secure loose objects that could be blown around<br /> or damaged by the wind.

High Wind Warning Montana | Effective 03/18/2026 00:23

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Westerly winds 35 to 50 mph with gusts up to 75 mph<br /> expected. Winds may gust over 85 mph at times along the immediate<br /> eastern slopes of the Rocky Mountain Front. * WHERE...The Rocky Mountain Front and adjacent foothills and<br /> plains, and Eastern Glacier, Western Toole, and Central Pondera<br /> Counties. * WHEN...From 6 AM this morning to 9 PM MDT this evening. * IMPACTS...High winds may move loose debris, damage property, and<br />

Flood Watch Idaho | Effective 03/18/2026 00:17

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> Rain on snow is expected to result in increased snowmelt across<br /> eastern Bonner County. Flows on creeks and streams may increase<br /> quickly. * WHAT...Flooding caused by rain and snowmelt continues to be<br /> possible. * WHERE...A portion of North Idaho, including the following county,<br /> Bonner. * WHEN...Through this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers,<br />

High Wind Warning Montana | Effective 03/18/2026 00:18

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...West winds gusting 50 to 65 mph. * WHERE...Golden Valley and Northern Stillwater. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Travel could be difficult, especially for high profile<br /> vehicles. Instruction:<br /> Winds this strong can make driving difficult, especially for high<br /> profile vehicles. Use extra caution and consider postponing travel<br /> until winds subside, or take an alternate route. Secure loose<br /> objects.

High Wind Warning Montana | Effective 03/18/2026 00:18

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...West winds gusting 50 to 65 mph. * WHERE...Judith Gap, Southern Wheatland, Melville Foothills, and<br /> Northern Sweet Grass. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Strong crosswinds will make travel difficult, especially<br /> along Highway 191 from Big Timber through Judith Gap. Instruction:<br /> Winds this strong can make driving difficult, especially for high<br /> profile vehicles. Use extra caution and consider postponing travel<br />

Red Flag Warning Colorado | Effective 03/17/2026 23:38

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * AFFECTED AREA...Fire Weather Zones 222 and 224. * WINDS...Northwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...5 to 10 percent. * IMPACTS...Fires will catch and spread quickly. Exercise<br /> extreme caution with any outdoor burning. Instruction:<br /> A Red Flag Warning means that critical fire weather conditions<br /> are either occurring now, or will shortly. A combination of<br /> strong winds, low relative humidity, and warm temperatures can<br />

Winter Storm Warning Pennsylvania | Effective 03/17/2026 23:00

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Heavy lake effect snow. Additional snow accumulations up to<br /> one inch. * WHERE...Southern Erie County. * WHEN...Until 5 AM EDT early this morning. * IMPACTS...Roads, and especially bridges and overpasses, will<br /> likely become slick and hazardous. Plan on slippery road<br /> conditions. * ADDITIONAL DETAILS...The remaining lake effect snow showers will<br /> gradually lift out over the lake through sunrise. Brief moderate<br />
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