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.

Light Snow

1°F

-17°C

Humidity	78%
Wind Speed	NE 8 mph
Barometer	30.36 in
Dewpoint	-4°F (-20°C)
Visibility	9.00 mi
Wind Chill	-13°F (-25°C)
Last update	22 Jan 8:55 pm MST

More Information:

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

Extended Forecast for

4 Miles WSW Lead SD

Tonight
Low: -12 °F
Chance Snow
Friday
High: -1 °F
Chance Snow
Friday Night
Low: -12 °F
Chance Snow
then Mostly
Clear
Saturday
High: 8 °F
Mostly Sunny
Saturday Night
Low: -10 °F
Chance Snow
Sunday
High: 4 °F
Slight Chance
Snow then
Sunny
Sunday Night
Low: -4 °F
Mostly Clear
Monday
High: 26 °F
Sunny
Monday Night
Low: 12 °F
Partly Cloudy

Detailed Forecast

Tonight

A 50 percent chance of snow. Mostly cloudy, with a low around -12. Wind chill values as low as -24. North wind 5 to 7 mph, with gusts as high as 17 mph. Total nighttime snow accumulation of less than one inch possible.

Friday

A 50 percent chance of snow. Cloudy and cold, with a high near -1. Wind chill values as low as -23. Southeast wind around 6 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph. New snow accumulation of around an inch possible.

Friday Night

A chance of snow before 11pm, then a chance of flurries after 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -12. Wind chill values as low as -26. Northwest wind around 6 mph becoming west in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Saturday

Mostly sunny, with a high near 8. Wind chill values as low as -25. West wind 6 to 8 mph, with gusts as high as 18 mph.

Saturday Night

A 50 percent chance of snow. Mostly cloudy, with a low around -10. West wind around 8 mph, with gusts as high as 16 mph. New snow accumulation of less than a half inch possible.

Sunday

A 20 percent chance of snow before 11am. Mostly sunny, with a high near 4. West wind around 8 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around -4. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.

Monday

Sunny, with a high near 26. West wind 11 to 14 mph, with gusts as high as 28 mph.

Monday Night

Partly cloudy, with a low around 12.

Tuesday

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

Tuesday Night

A chance of snow. Mostly cloudy, with a low around 11.