Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

25°F

-4°C

Humidity	74%
Wind Speed	Calm
Barometer	30.09 in
Dewpoint	18°F (-8°C)
Visibility	10.00 mi
Last update	28 Jan 8:35 pm MST

More Information:

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

Extended Forecast for

Spearfish SD

Tonight
Low: 28 °F⇑
Snow Likely
Thursday
High: 37 °F
Snow and
Breezy
Thursday Night
Low: 19 °F
Snow Likely
Friday
High: 28 °F
Snow then
Chance Snow
Friday Night
Low: 18 °F⇑
Slight Chance
Snow
Saturday
High: 45 °F
Chance
Rain/Snow
then Slight
Chance Rain
Saturday Night
Low: 29 °F
Partly Cloudy
Sunday
High: 48 °F
Mostly Sunny
Sunday Night
Low: 29 °F
Mostly Cloudy

Detailed Forecast

Tonight

Snow likely, mainly after 3am. Cloudy, with a temperature rising to around 32 by 5am. Light and variable wind becoming west 5 to 10 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Thursday

Snow. High near 37. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 19. West wind 3 to 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Snow, mainly before 11am. High near 28. Wind chill values as low as 14. Northeast wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night

A 20 percent chance of snow. Mostly cloudy, with a temperature falling to near 18 by 8pm, then rising to around 29 during the remainder of the night. Southeast wind 5 to 7 mph becoming southwest after midnight.

Saturday

A chance of snow before 8am, then a chance of rain and snow between 8am and noon, then a slight chance of rain after noon. Mostly cloudy, with a high near 45. West wind 8 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 29. West wind around 14 mph, with gusts as high as 24 mph.

Sunday

Mostly sunny, with a high near 48. West wind 7 to 11 mph, with gusts as high as 20 mph.

Sunday Night

Mostly cloudy, with a low around 29.

Monday

Partly sunny, with a high near 49.

Monday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 29.

Tuesday

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