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

0°F

-18°C

Humidity	71%
Wind Speed	E 8 mph
Barometer	30.31 in
Dewpoint	-8°F (-22°C)
Visibility	9.00 mi
Wind Chill	-14°F (-26°C)
Last update	23 Jan 3:15 pm MST

More Information:

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

Extended Forecast for

10 Miles SSE Colony WY

This Afternoon
High: -1 °F
Chance Snow
Tonight
Low: -8 °F
Decreasing
Clouds
Saturday
High: 23 °F
Increasing
Clouds
Saturday Night
Low: -3 °F
Chance Snow
Sunday
High: 8 °F
Decreasing
Clouds
Sunday Night
Low: -2 °F⇑
Mostly Clear
Monday
High: 40 °F
Sunny and
Breezy
Monday Night
Low: 19 °F
Partly Cloudy
Tuesday
High: 37 °F
Partly Sunny

Detailed Forecast

This Afternoon

A 40 percent chance of snow. Cloudy and cold, with a high near -1. Wind chill values as low as -19. East wind around 10 mph, with gusts as high as 16 mph. Total daytime snow accumulation of less than a half inch possible.

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around -8. Wind chill values as low as -17. East wind around 5 mph becoming calm in the evening.

Saturday

Increasing clouds, with a high near 23. Wind chill values as low as -16. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

Saturday Night

A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around -3. Wind chill values as low as -14. Northwest wind around 7 mph.

Sunday

Mostly cloudy, then gradually becoming sunny, with a high near 8. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a temperature falling to near -2 by 8pm, then rising to around 9 during the remainder of the night. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

Monday

Sunny, with a high near 40. Breezy, with a west wind 15 to 21 mph, with gusts as high as 32 mph.

Monday Night

Partly cloudy, with a low around 19. West wind 9 to 11 mph, with gusts as high as 18 mph.

Tuesday

Partly sunny, with a high near 37.

Tuesday Night

A slight chance of snow after 11pm. Partly cloudy, with a low around 20.

Wednesday

A slight chance of snow. Mostly sunny, with a high near 41.

Wednesday Night

Partly cloudy, with a low around 19.