National Weather Service United States Department of Commerce

Snow Will Persist in the Northeast and Great Lake States

Heavy Lake Effect snow will continue to the lee of the Great Lakes for the next couple of days. Snow will also return to the Northeast by Tuesday as another front moves in. Bitter cold wind chills can be expected in the Upper Mississippi Valley. Freezing temperatures will even impact central Florida. Meanwhile, elevated fire weather conditions will persist in southern California. Read More >

Impacts: Above 6000 feet: Roads today will be slick and slushy at times with snow covered roads possible.  Watch out for icy bridges and overpasses.  Below 6000 feet: Roads today will be mainly wet, but will become briefly slick in bursts of heavier snow.  Around sunset all untreated roads could become slick and hazardous.

What/When: A large area of rain and snow is expected to develop quickly this morning over central and south-central Wyoming changing to mainly snow by midday as a cold front moves southeast across the Cowboy State.  The exception is around Casper where the rain might linger through mid-afternoon before changing over. The heaviest and most widespread snowfall is expected to occur between 10 am and 4 pm today.

Winter Weather Advisory in effect for portions of central and south-central Wyoming through midnight tonight.

Snow Accumulations (today and tonight): 

Lander: 3 to 5 inches
Jeffrey City: 3 to 5 inches
Rock Springs: 2 to 3 inches
Casper: 2 inches
Thermopolis: 2 inches
Riverton: 1 to 2 inches

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Here are the latest watches, warnings, and advisories, and forecast snow amounts (click for a larger view):


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Want to track the storm? Here are the local and regional radar loops:

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Here are some additional links to help monitor the winter weather: