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

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

-9°F

-23°C

Humidity	77%
Wind Speed	Calm
Barometer	30.10 in
Dewpoint	-15°F (-26°C)
Visibility	10.00 mi
Last update	24 Jan 5:55 am MST

More Information:

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

Extended Forecast for

3 Miles S Whitewood SD

Cold Weather Advisory until January 24, 11:00am

Click here for hazard details and duration

...

Cold Weather Advisory until January 24, 11:00am
NOW until 11:00am Sat
Cold Weather Advisory
Today
High: 17 °F
Mostly Sunny
Tonight
Low: -6 °F
Chance Snow
Sunday
High: 5 °F
Slight Chance
Snow then
Mostly Sunny
Sunday Night
Low: 0 °F⇑
Mostly Clear
Monday
High: 38 °F
Sunny and
Breezy
Monday Night
Low: 23 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Tuesday
High: 36 °F
Partly Sunny
Tuesday Night
Low: 26 °F
Partly Cloudy
then Partly
Cloudy and
Breezy

Detailed Forecast

Today

Mostly sunny, with a high near 17. Wind chill values as low as -20. Southwest wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 22 mph.

Tonight

A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around -6. Wind chill values as low as -20. Northwest wind around 14 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

Sunday

A 20 percent chance of snow before 11am. Partly sunny, with a high near 5. Wind chill values as low as -27. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.

Sunday Night

Mostly clear, with a temperature rising to around 15 by 5am. Wind chill values as low as -15. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.

Monday

Sunny, with a high near 38. Breezy, with a west wind 17 to 22 mph, with gusts as high as 34 mph.

Monday Night

Partly cloudy, with a low around 23. Breezy, with a west wind 14 to 20 mph, with gusts as high as 29 mph.

Tuesday

Partly sunny, with a high near 36. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.

Tuesday Night

Partly cloudy, with a low around 26. Breezy, with a west wind 13 to 20 mph, with gusts as high as 28 mph.

Wednesday

Mostly sunny, with a high near 38. Breezy.

Wednesday Night

Mostly cloudy, with a low around 20.