Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

32°F

0°C

Humidity	80%
Wind Speed	W 13 mph
Barometer	30.10 in
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Wind Chill	22°F (-6°C)
Last update	10 Dec 3:35 am MST

More Information:

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

Extended Forecast for

3 Miles WNW Whitewood SD

Today
High: 44 °F
Chance Snow
then
Rain/Snow
Likely
Tonight
Low: 39 °F⇑
Rain Likely
Thursday
High: 53 °F⇓
Rain Likely
and Breezy
Thursday Night
Low: 20 °F
Rain/Snow
Likely and
Blustery then
Snow Likely
Friday
High: 25 °F⇓
Snow
Friday Night
Low: 13 °F
Snow Likely
Saturday
High: 22 °F
Chance Snow
then Slight
Chance Snow
Saturday Night
Low: 12 °F
Mostly Cloudy
Sunday
High: 44 °F
Mostly Sunny

Detailed Forecast

Today

A chance of snow before 2pm, then snow likely, possibly mixed with rain between 2pm and 3pm, then rain likely after 3pm. Mostly cloudy, with a high near 44. West wind 6 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Tonight

Rain likely, mainly before 8pm. Mostly cloudy, with a temperature rising to around 49 by 5am. West wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

Thursday

Rain likely, mainly after 5pm. Mostly cloudy, with a temperature rising to near 53 by 10am, then falling to around 42 during the remainder of the day. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.

Thursday Night

Rain likely before 8pm, then rain and snow likely between 8pm and 9pm, then snow likely after 9pm. Cloudy, with a low around 20. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday

Snow. Temperature falling to around 19 by 5pm. Northwest wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow likely, mainly before 11pm. Cloudy, with a low around 13. East wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Saturday

A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 22. North wind 6 to 8 mph becoming east in the afternoon.

Saturday Night

Mostly cloudy, with a low around 12. Southeast wind around 6 mph.

Sunday

Mostly sunny, with a high near 44.

Sunday Night

Partly cloudy, with a low around 31.

Monday

Sunny, with a high near 49.

Monday Night

Partly cloudy, with a low around 33.