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.

Overcast

39°F

4°C

Humidity	45%
Wind Speed	W 9 mph
Barometer	29.93 in
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	33°F (1°C)
Last update	8 Dec 3:35 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: 28 °F
Chance Snow
Monday
High: 36 °F
Slight Chance
Snow then
Mostly Sunny
Monday Night
Low: 29 °F⇑
Chance Snow
and Breezy
Tuesday
High: 37 °F⇓
Rain/Snow
Likely and
Breezy
Tuesday Night
Low: 21 °F
Chance Snow
and Blustery
Wednesday
High: 34 °F
Snow
Wednesday Night
Low: 22 °F
Snow
Thursday
High: 28 °F
Snow Likely
Thursday Night
Low: 4 °F
Snow Likely

Detailed Forecast

Overnight

A 30 percent chance of snow, mainly before 5am. Mostly cloudy, with a steady temperature around 28. Wind chill values as low as 17. West wind 3 to 8 mph. Winds could gust as high as 24 mph.

Monday

A 20 percent chance of snow before 8am. Mostly sunny, with a high near 36. Wind chill values as low as 18. West wind around 14 mph, with gusts as high as 32 mph.

Monday Night

A 30 percent chance of snow after 11pm. Mostly cloudy, with a temperature rising to around 32 by 4am. Wind chill values as low as 17. Breezy, with a west wind 13 to 21 mph, with gusts as high as 30 mph.

Tuesday

Rain and snow likely, becoming all snow after 2pm. Mostly cloudy, with a temperature rising to near 37 by 9am, then falling to around 27 during the remainder of the day. Wind chill values as low as 14. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Tuesday Night

A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 21. Blustery, with a northwest wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.

Wednesday

Snow. High near 34. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

Snow. Low around 22. West wind 13 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

Thursday

Snow likely. Mostly cloudy, with a high near 28. West wind 8 to 13 mph, with gusts as high as 26 mph.

Thursday Night

Snow likely. Cloudy, with a low around 4.

Friday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 13.

Friday Night

A chance of snow. Mostly cloudy, with a low around 6.

Saturday

A chance of snow. Partly sunny, with a high near 23.