Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

50°F

10°C

Humidity	35%
Wind Speed	W 10 G 17 mph
Barometer	29.54 in
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Wind Chill	46°F (8°C)
Last update	7 Jan 5:55 pm MST

More Information:

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

Extended Forecast for

2 Miles S Lead SD

Tonight
Low: 25 °F
Chance
Sprinkles/Snow
then Slight
Chance Snow
Thursday
High: 34 °F
Slight Chance
Snow
Thursday Night
Low: 18 °F
Chance Snow
Friday
High: 27 °F
Chance Snow
Friday Night
Low: 22 °F
Chance Snow
Saturday
High: 31 °F
Chance Snow
Saturday Night
Low: 27 °F
Partly Cloudy
Sunday
High: 46 °F
Mostly Sunny
Sunday Night
Low: 31 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of sprinkles and flurries before 8pm, then a chance of snow between 8pm and 2am. Mostly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Thursday

A 20 percent chance of snow after 11am. Cloudy, with a high near 34. Light and variable wind.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 18. Wind chill values as low as 9. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 23 mph. New snow accumulation of 1 to 3 inches possible.

Friday

A 30 percent chance of snow. Mostly sunny, with a high near 27. Wind chill values as low as 7. West wind 9 to 13 mph, with gusts as high as 32 mph.

Friday Night

A 50 percent chance of snow. Mostly cloudy, with a steady temperature around 22. Northwest wind 10 to 13 mph, with gusts as high as 34 mph. New snow accumulation of 1 to 2 inches possible.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 31. Northwest wind 8 to 11 mph, with gusts as high as 33 mph. New snow accumulation of 1 to 2 inches possible.

Saturday Night

Partly cloudy, with a low around 27. West wind 6 to 9 mph, with gusts as high as 24 mph.

Sunday

Mostly sunny, with a high near 46. West wind 6 to 8 mph, with gusts as high as 24 mph.

Sunday Night

Partly cloudy, with a low around 31.

Monday

Mostly sunny, with a high near 45.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around 34.

Tuesday

A chance of snow. Mostly cloudy, with a high near 42.