Tracking Winter Storm and Severe Weather Impacts Through This Weekend

Heavy mountain snow will continue into Thursday afternoon across the Cascades. Two fast moving storms will track from the southern Rockies to the Great Lakes Thursday and then Friday into Sunday with areas of gusty winds, and heavy snow. In the Southeast U.S., severe thunderstorms and heavy to excessive rainfall are forecast on Friday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

28°F

-2°C

Humidity	80%
Wind Speed	SW 3 mph
Barometer	29.73 in
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Last update	8 Jan 4:15 am MST

More Information:

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

Extended Forecast for

Lead SD

Today
High: 34 °F
Chance Snow
Tonight
Low: 18 °F
Snow Likely
Friday
High: 25 °F
Chance Snow
Friday Night
Low: 22 °F
Chance Snow
Saturday
High: 30 °F
Chance Snow
Saturday Night
Low: 26 °F⇑
Partly Cloudy
Sunday
High: 45 °F
Mostly Sunny
Sunday Night
Low: 32 °F
Mostly Clear
Monday
High: 47 °F
Mostly Sunny

Detailed Forecast

Today

A 30 percent chance of snow, mainly after 2pm. Mostly cloudy, with a high near 34. Light and variable wind.

Tonight

Snow likely. Mostly cloudy, with a low around 18. Wind chill values as low as 6. Calm wind becoming west 5 to 9 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday

A 30 percent chance of snow. Mostly sunny, with a high near 25. Wind chill values as low as 6. West wind 11 to 14 mph, with gusts as high as 32 mph.

Friday Night

A 50 percent chance of snow. Mostly cloudy, with a steady temperature around 22. Wind chill values as low as 8. West wind 11 to 15 mph, with gusts as high as 37 mph. New snow accumulation of 1 to 3 inches possible.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 30. Northwest wind 9 to 15 mph, with gusts as high as 34 mph. New snow accumulation of 1 to 2 inches possible.

Saturday Night

Partly cloudy, with a temperature falling to near 26 by 8pm, then rising to around 31 during the remainder of the night. West wind around 10 mph, with gusts as high as 25 mph.

Sunday

Mostly sunny, with a high near 45. West wind 8 to 10 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 32. West wind 9 to 11 mph, with gusts as high as 28 mph.

Monday

Mostly sunny, with a high near 47.

Monday Night

A slight chance of snow after 11pm. Mostly cloudy, with a low around 36.

Tuesday

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

Tuesday Night

A chance of snow. Mostly cloudy, with a low around 31.