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

-8°F

-22°C

Humidity	77%
Wind Speed	NE 7 mph
Barometer	30.42 in
Dewpoint	-13°F (-25°C)
Visibility	2.00 mi
Wind Chill	-23°F (-31°C)
Last update	23 Jan 1:55 am MST

More Information:

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

Extended Forecast for

3 Miles SW Lead SD

Overnight
Low: -9 °F
Chance Snow
Friday
High: -1 °F
Snow Likely
Friday Night
Low: -12 °F
Decreasing
Clouds
Saturday
High: 14 °F
Increasing
Clouds
Saturday Night
Low: -8 °F
Snow Likely
Sunday
High: 4 °F
Chance Snow
then Mostly
Sunny
Sunday Night
Low: -3 °F
Mostly Clear
Monday
High: 31 °F
Sunny
Monday Night
Low: 16 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of snow. Mostly cloudy, with a low around -9. Wind chill values as low as -16. Light northeast wind.

Friday

Snow likely, mainly between 11am and 2pm. Cloudy and cold, with a high near -1. Wind chill values as low as -17. East wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around -12. Wind chill values as low as -22. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 16 mph.

Saturday

Increasing clouds, with a high near 14. Wind chill values as low as -22. Southwest wind around 7 mph, with gusts as high as 21 mph.

Saturday Night

Snow likely. Mostly cloudy, with a low around -8. West wind around 6 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 4. Northwest wind 5 to 7 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

Sunday Night

Mostly clear, with a low around -3. West wind 5 to 10 mph, with gusts as high as 28 mph.

Monday

Sunny, with a high near 31. West wind around 10 mph, with gusts as high as 30 mph.

Monday Night

Partly cloudy, with a low around 16.

Tuesday

A chance of snow, mainly after 11am. Partly sunny, with a high near 27.

Tuesday Night

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

Wednesday

A chance of snow. Mostly sunny, with a high near 27.