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

16°F

-9°C

Humidity	41%
Wind Speed	W 9 mph
Barometer	30.03 in
Dewpoint	-4°F (-20°C)
Visibility	10.00 mi
Wind Chill	5°F (-15°C)
Last update	24 Jan 10:15 am MST

More Information:

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

Extended Forecast for

3 Miles WSW Lead 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: 14 °F
Mostly Sunny
then Slight
Chance Snow
Tonight
Low: -9 °F
Chance Snow
Sunday
High: 1 °F
Chance Snow
then Mostly
Sunny
Sunday Night
Low: -7 °F⇑
Mostly Clear
Monday
High: 33 °F
Sunny
Monday Night
Low: 18 °F
Partly Cloudy
Tuesday
High: 31 °F
Partly Sunny
Tuesday Night
Low: 20 °F
Partly Cloudy

Detailed Forecast

Today

A 20 percent chance of snow after 4pm. Mostly sunny, with a high near 14. Wind chill values as low as -9. West wind around 7 mph, with gusts as high as 24 mph.

Tonight

A 50 percent chance of snow. Mostly cloudy, with a low around -9. Wind chill values as low as -21. Northwest wind around 7 mph, with gusts as high as 24 mph. New snow accumulation of less than one inch possible.

Sunday

A 50 percent chance of snow before 11am. Partly sunny, with a high near 1. Wind chill values as low as -24. Northwest 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 8 by 5am. Wind chill values as low as -20. Southwest wind 6 to 9 mph, with gusts as high as 24 mph.

Monday

Sunny, with a high near 33. West wind around 11 mph, with gusts as high as 31 mph.

Monday Night

Partly cloudy, with a low around 18. West wind 8 to 10 mph, with gusts as high as 29 mph.

Tuesday

Partly sunny, with a high near 31. Northwest wind around 9 mph, with gusts as high as 24 mph.

Tuesday Night

Partly cloudy, with a low around 20. West wind 7 to 10 mph, with gusts as high as 29 mph.

Wednesday

Mostly sunny, with a high near 34.