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 >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

37°F

3°C

Humidity	48%
Wind Speed	NE 9 mph
Barometer	30.03 in
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	28 Jan 1:35 pm MST

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Winter Weather Advisory January 29, 05:00am until January 30, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 38 °F
Cloudy
Tonight
Low: 23 °F
Snow
Thursday
High: 29 °F
Snow
Thursday Night
Low: 19 °F
Snow Likely
Friday
High: 22 °F
Snow then
Snow Likely
Friday Night
Low: 16 °F⇑
Chance Snow
Saturday
High: 39 °F
Chance Snow
Saturday Night
Low: 25 °F
Partly Cloudy
Sunday
High: 41 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Cloudy, with a high near 38. Northwest wind 3 to 6 mph.

Tonight

Snow, mainly after 11pm. Low around 23. Wind chill values as low as 15. Calm wind becoming northwest 5 to 9 mph in the evening. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday

Snow. High near 29. Wind chill values as low as 14. Northwest wind 9 to 13 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 19. Northwest wind 5 to 7 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. Steady temperature around 22. North wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday Night

A 30 percent chance of snow. Mostly cloudy, with a temperature falling to near 16 by 9pm, then rising to around 25 during the remainder of the night. Southwest wind around 6 mph, with gusts as high as 17 mph.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 39. West wind 7 to 10 mph, with gusts as high as 30 mph.

Saturday Night

Partly cloudy, with a low around 25. West wind around 11 mph, with gusts as high as 31 mph.

Sunday

Mostly sunny, with a high near 41.

Sunday Night

Mostly cloudy, with a low around 26.

Monday

Partly sunny, with a high near 44.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around 25.