Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. 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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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Snow to Impact portions of Central and South-Central Wyoming Today & Tonight