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

34°F

1°C

Humidity	51%
Wind Speed	W 9 G 15 mph
Barometer	30.14 in
Dewpoint	18°F (-8°C)
Visibility	10.00 mi
Wind Chill	27°F (-3°C)
Last update	28 Jan 12:55 am MST

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Overnight
Low: 24 °F
Mostly Clear
Wednesday
High: 36 °F
Increasing
Clouds
Wednesday Night
Low: 21 °F
Snow Likely
Thursday
High: 29 °F
Snow
Thursday Night
Low: 18 °F
Snow
Friday
High: 25 °F
Snow Likely
Friday Night
Low: 15 °F
Chance Snow
Saturday
High: 37 °F
Chance Snow
Saturday Night
Low: 25 °F
Slight Chance
Snow then
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a steady temperature around 24. Wind chill values as low as 15. West wind around 8 mph, with gusts as high as 22 mph.

Wednesday

Increasing clouds, with a high near 36. Wind chill values as low as 16. West wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 16 mph.

Wednesday Night

Snow likely, mainly after 11pm. Cloudy, with a low around 21. Wind chill values as low as 13. Calm wind becoming northwest 5 to 7 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow. High near 29. Wind chill values as low as 13. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow. Low around 18. Northwest wind around 5 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 25. North wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 15. Southwest wind 5 to 7 mph, with gusts as high as 20 mph.

Saturday

A chance of snow. Partly sunny, with a high near 37. West wind 8 to 10 mph, with gusts as high as 29 mph.

Saturday Night

A slight chance of snow before 11pm. Partly cloudy, with a low around 25.

Sunday

Mostly sunny, with a high near 38.

Sunday Night

Partly cloudy, with a low around 23.

Monday

Partly sunny, with a high near 43.