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.

Overcast

-11°F

-24°C

Humidity	76%
Wind Speed	NE 6 mph
Barometer	30.41 in
Dewpoint	-17°F (-27°C)
Visibility	10.00 mi
Wind Chill	-25°F (-32°C)
Last update	23 Jan 7:35 am MST

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Today
High: -4 °F
Snow Likely
Tonight
Low: -14 °F
Decreasing
Clouds
Saturday
High: 11 °F
Increasing
Clouds
Saturday Night
Low: -8 °F
Snow Likely
Sunday
High: 1 °F
Chance Snow
then Mostly
Sunny
Sunday Night
Low: -5 °F⇑
Mostly Clear
Monday
High: 28 °F
Sunny
Monday Night
Low: 14 °F
Mostly Cloudy
Tuesday
High: 24 °F
Chance Snow

Detailed Forecast

Today

Snow likely, mainly between 11am and 2pm. Cloudy and cold, with a high near -4. Wind chill values as low as -19. Light and variable wind becoming east around 6 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around -14. Wind chill values as low as -26. Southwest wind around 6 mph, with gusts as high as 17 mph.

Saturday

Increasing clouds, with a high near 11. Wind chill values as low as -26. West wind 7 to 9 mph, with gusts as high as 22 mph.

Saturday Night

Snow likely. Mostly cloudy, with a low around -8. Wind chill values as low as -23. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday

A 40 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 1. West wind 6 to 8 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

Sunday Night

Mostly clear, with a temperature rising to around 11 by 5am. Southwest wind 8 to 15 mph, with gusts as high as 29 mph.

Monday

Sunny, with a high near 28. West wind 11 to 14 mph, with gusts as high as 29 mph.

Monday Night

Mostly cloudy, with a low around 14. West wind around 11 mph, with gusts as high as 24 mph.

Tuesday

A chance of snow, mainly after 11am. Mostly cloudy, with a high near 24.

Tuesday Night

A chance of snow. Mostly cloudy, with a low around 10.

Wednesday

A chance of snow. Mostly sunny, with a high near 24.