Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

19°F

-7°C

Humidity	49%
Wind Speed	W 16 G 29 mph
Barometer	29.96 in
Dewpoint	3°F (-16°C)
Visibility	10.00 mi
Wind Chill	4°F (-16°C)
Last update	24 Jan 1:15 pm MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles WSW Lead SD

This Afternoon
High: 10 °F
Slight Chance
Snow
Tonight
Low: -12 °F
Chance Snow
Sunday
High: -3 °F
Chance Snow
then Mostly
Sunny
Sunday Night
Low: -11 °F⇑
Mostly Clear
Monday
High: 27 °F
Sunny
Monday Night
Low: 15 °F
Partly Cloudy
Tuesday
High: 27 °F
Partly Sunny
Tuesday Night
Low: 19 °F
Partly Cloudy
Wednesday
High: 31 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of snow after 4pm. Partly sunny, with a high near 10. Wind chill values as low as -9. West wind 8 to 11 mph, with gusts as high as 24 mph.

Tonight

A 50 percent chance of snow. Mostly cloudy, with a low around -12. Wind chill values as low as -29. Northwest wind around 10 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

Sunday

A 50 percent chance of snow before 11am. Partly sunny and cold, with a high near -3. Wind chill values as low as -30. Northwest wind around 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

Sunday Night

Mostly clear, with a temperature rising to around 6 by 5am. Wind chill values as low as -31. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

Monday

Sunny, with a high near 27. West wind 14 to 16 mph, with gusts as high as 33 mph.

Monday Night

Partly cloudy, with a low around 15. West wind 11 to 15 mph, with gusts as high as 30 mph.

Tuesday

Partly sunny, with a high near 27. West wind around 10 mph, with gusts as high as 23 mph.

Tuesday Night

Partly cloudy, with a low around 19. West wind 11 to 14 mph, with gusts as high as 26 mph.

Wednesday

Mostly sunny, with a high near 31.

Wednesday Night

Mostly cloudy, with a low around 17.