Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. 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

25°F

-4°C

Humidity	100%
Wind Speed	Calm
Barometer	30.34 in
Dewpoint	25°F (-4°C)
Visibility	3.00 mi
Last update	30 Jan 1:55 pm MST

More Information:

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

Extended Forecast for

Spearfish SD

This Afternoon
High: 26 °F
Slight Chance
Snow
Tonight
Low: 21 °F⇑
Slight Chance
Snow then
Slight Chance
Wintry Mix
Saturday
High: 44 °F
Breezy.
Chance Rain
then Partly
Sunny
Saturday Night
Low: 32 °F
Partly Cloudy
Sunday
High: 51 °F
Mostly Sunny
Sunday Night
Low: 33 °F
Mostly Cloudy
Monday
High: 49 °F
Mostly Sunny
Monday Night
Low: 31 °F
Partly Cloudy
Tuesday
High: 44 °F
Chance Snow
then Chance
Rain/Snow

Detailed Forecast

This Afternoon

A 20 percent chance of snow before 4pm. Mostly cloudy, with a high near 26. Wind chill values as low as 17. East wind around 7 mph.

Tonight

A slight chance of snow between 11pm and 2am, then a slight chance of freezing rain after 2am. Increasing clouds, with a temperature falling to near 21 by 8pm, then rising to around 33 during the remainder of the night. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 20%.

Saturday

A 50 percent chance of rain before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 44. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

Saturday Night

Partly cloudy, with a low around 32. West wind 13 to 16 mph, with gusts as high as 28 mph.

Sunday

Mostly sunny, with a high near 51. West wind 5 to 10 mph, with gusts as high as 18 mph.

Sunday Night

Mostly cloudy, with a low around 33. South wind around 6 mph.

Monday

Mostly sunny, with a high near 49. Northwest wind 9 to 17 mph, with gusts as high as 29 mph.

Monday Night

Partly cloudy, with a low around 31. West wind 11 to 14 mph, with gusts as high as 23 mph.

Tuesday

A chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 44.