Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

39°F

4°C

Humidity	48%
Wind Speed	W 10 mph
Barometer	30.03 in
Dewpoint	21°F (-6°C)
Visibility	10.00 mi
Wind Chill	32°F (0°C)
Last update	7 Dec 3:55 pm MST

More Information:

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

Extended Forecast for

7 Miles SSW Lead SD

Tonight
Low: 19 °F
Increasing
Clouds
Monday
High: 34 °F
Mostly Sunny
Monday Night
Low: 28 °F⇑
Slight Chance
Snow then
Slight Chance
Rain/Snow
Tuesday
High: 38 °F⇓
Rain/Snow
Likely
Tuesday Night
Low: 19 °F
Chance Snow
Wednesday
High: 34 °F
Snow
Wednesday Night
Low: 16 °F
Snow
Thursday
High: 23 °F
Snow Likely
Thursday Night
Low: 0 °F
Snow Likely

Detailed Forecast

Tonight

Increasing clouds, with a low around 19. Southwest wind around 6 mph, with gusts as high as 22 mph.

Monday

Mostly sunny, with a high near 34. Wind chill values as low as 16. West wind 8 to 10 mph, with gusts as high as 30 mph.

Monday Night

A slight chance of snow after 11pm, mixing with rain after 3am. Mostly cloudy, with a temperature rising to around 31 by 4am. Wind chill values as low as 18. West wind 8 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Tuesday

Rain and snow likely, becoming all snow after 2pm. Mostly cloudy, with a temperature rising to near 38 by 11am, then falling to around 27 during the remainder of the day. Wind chill values as low as 15. West wind 13 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 19. Northwest wind 7 to 15 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.

Wednesday

Snow. High near 34. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Snow. Low around 16. Northwest wind 7 to 9 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

Thursday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 23. Northwest wind around 7 mph, with gusts as high as 25 mph.

Thursday Night

Snow likely. Mostly cloudy, with a low around 0.

Friday

A chance of snow. Mostly cloudy, with a high near 14.

Friday Night

A chance of snow. Mostly cloudy, with a low around 2.

Saturday

A slight chance of snow. Partly sunny, with a high near 30.