Expected

Responsive action SHOULD be taken soon (within next hour)

Montana Winter Storm Warning | Effective 05/21/2026 00:15

* WHAT...Periods of heavy snow...mainly on north facing slopes above 6500 ft. Total snow accumulations 8 to 15 inches. North winds gusting as high as 30 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. * ADDITIONAL DETAILS...Several inches of snow are expected over Beartooth Pass, which may impact the opening of the highway at the end of the week. Be sure to monitor road conditions before

Montana, Wyoming Winter Weather Advisory | Effective 05/21/2026 00:15

* WHAT...Snow expected. Total snow accumulations 5 to 10 inches. North winds gusting as high as 30 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Expect wintry travel conditions on US-14 through Burgess Junction. Recreation in the high country will be impacted by heavy accumulating snow. For the latest road conditions, call 5 1 1.

Texas Special Weather Statement | Effective 05/21/2026 00:20

At 220 AM CDT, Doppler radar was tracking a strong thunderstorm over Bustamante, moving north at 20 mph. HAZARD...Wind gusts up to 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Bustamante and Escobas. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to

Maine, New Hampshire Freeze Warning | Effective 05/20/2026 23:27

* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...In Maine, Northern Franklin and Northern Oxford Counties. In New Hampshire, Northern Coos and Southern Coos Counties. * WHEN...From 11 PM this evening to 8 AM EDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

Michigan Freeze Warning | Effective 05/20/2026 23:21

* WHAT...Sub-freezing temperatures as low as 27. * WHERE...Luce County. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing.

Michigan Freeze Warning | Effective 05/20/2026 23:21

* WHAT...Sub-freezing temperatures as low as 24. * WHERE...Alger, Baraga, Delta, Dickinson, Iron, Marquette, Northern Schoolcraft, Southern Schoolcraft, and Southern Houghton Counties. * WHEN...Until 9 AM EDT /8 AM CDT/ this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to

New York, Vermont Freeze Warning | Effective 05/20/2026 22:51

* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...In New York, Southeastern St. Lawrence, Southern Franklin, Western Clinton, and Western Essex Counties. In Vermont, Essex County. * WHEN...From 11 PM this evening to 8 AM EDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

Alaska Flood Warning - [Severity] | Effective 05/20/2026 22:05

* WHAT...Flooding caused by an ice jam continues. * WHERE...Holy Cross. * WHEN...Until midnight AKDT Thursday Night. * IMPACTS...Extensive flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 903 PM AKDT, The ice jam 10 miles downriver from Russian Mission is still in place as of 4PM Wednesday. The ice jam is about 60 miles long with the most extensive overbank flooding occurring at Holy Cross. The Holy Cross runway is completely
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