Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

28°F

-2°C

Humidity	55%
Wind Speed	W 5 mph
Barometer	30.22 in
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Wind Chill	22°F (-6°C)
Last update	27 Jan 7:15 pm MST

More Information:

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

Extended Forecast for

Spearfish SD

Tonight
Low: 26 °F
Mostly Clear
Wednesday
High: 42 °F
Increasing
Clouds
Wednesday Night
Low: 25 °F
Snow Likely
Thursday
High: 36 °F
Snow
Thursday Night
Low: 19 °F
Snow
Friday
High: 29 °F
Chance Snow
Friday Night
Low: 16 °F
Chance Snow
Saturday
High: 43 °F
Chance
Rain/Snow
then Chance
Rain
Saturday Night
Low: 28 °F
Slight Chance
Rain/Snow
then Partly
Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 26. West wind 6 to 10 mph, with gusts as high as 18 mph.

Wednesday

Increasing clouds, with a high near 42. Southwest wind around 6 mph becoming light and variable in the afternoon.

Wednesday Night

Snow likely, mainly after 11pm. Cloudy, with a low around 25. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday

Snow. High near 36. Wind chill values as low as 19. West wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow. Low around 19. Northwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

A 50 percent chance of snow. Mostly cloudy, with a high near 29. East wind 5 to 7 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 16. Southwest wind 6 to 8 mph, with gusts as high as 15 mph.

Saturday

A chance of rain and snow before 11am, then a chance of rain. Partly sunny, with a high near 43. West wind 10 to 17 mph, with gusts as high as 28 mph.

Saturday Night

A slight chance of rain, mixing with snow after 8pm, then gradually ending. Partly cloudy, with a low around 28.

Sunday

Mostly sunny, with a high near 44.

Sunday Night

Partly cloudy, with a low around 26.

Monday

Partly sunny, with a high near 47.

Monday Night

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

Tuesday

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