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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

32°F

0°C

Humidity	51%
Wind Speed	NW 7 mph
Barometer	30.18 in
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Wind Chill	25°F (-4°C)
Last update	27 Jan 12:15 pm MST

More Information:

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

Extended Forecast for

Lead SD

This Afternoon
High: 35 °F⇓
Decreasing
Clouds
Tonight
Low: 26 °F
Mostly Clear
Wednesday
High: 38 °F
Increasing
Clouds
Wednesday Night
Low: 23 °F
Chance Snow
Thursday
High: 32 °F
Snow Likely
Thursday Night
Low: 17 °F
Snow Likely
Friday
High: 27 °F
Snow Likely
Friday Night
Low: 20 °F
Chance Snow
Saturday
High: 40 °F
Chance Snow

Detailed Forecast

This Afternoon

Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 31 by 5pm. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

Tonight

Mostly clear, with a steady temperature around 26. Wind chill values as low as 18. West wind around 7 mph, with gusts as high as 23 mph.

Wednesday

Increasing clouds, with a high near 38. Wind chill values as low as 19. West wind around 5 mph becoming calm in the morning. Winds could gust as high as 17 mph.

Wednesday Night

A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 23. Light west wind. Winds could gust as high as 15 mph. New snow accumulation of less than one inch possible.

Thursday

Snow likely. Mostly cloudy, with a high near 32. Northwest wind 5 to 7 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 17. Calm wind. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Friday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 27. North wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%.

Friday Night

A chance of snow. Mostly cloudy, with a low around 20. Southwest wind 3 to 6 mph. Winds could gust as high as 17 mph.

Saturday

A chance of snow. Mostly cloudy, with a high near 40.

Saturday Night

A slight chance of snow before 11pm. Partly cloudy, with a low around 28.

Sunday

Mostly sunny, with a high near 41.

Sunday Night

Partly cloudy, with a low around 27.

Monday

Partly sunny, with a high near 44.