Six Plains and Rockies states face their first snow of the season through Monday night.
Colorado, Wyoming, South Dakota, Nebraska, North Dakota, and Montana are in the forecast.
Several inches of snow are possible in the Black Hills of South Dakota, says AccuWeather.
Rapid City could see slushy snow on Monday, hardest on grass and unpaved ground.
Wet, slushy snow could build up above 5,000 to 5,500 feet in the higher hills.
Parts of the Northern Plains could see 1 to 3 inches of rain from the same storm.
More than two million people were under flood alerts Sunday across four states.
Interior Alaska faces 8 to 16 inches of snow, with gusts up to 35 miles per hour.
Atigun Pass could see gusts of 55 miles per hour and blowing snow.
Check local warnings and road conditions before you leave home on Monday.
Carry a blanket, gloves, water, snacks, and a phone charger in your car.
Tap through to the full story for maps of snow, rain, and travel advice.
Get the full breakdown, key numbers, and what happens next.
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