Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy

41°F

5°C

Humidity	87%
Wind Speed	Calm
Barometer	29.67 in
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Last update	11 Dec 7:55 am MST

More Information:

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

Extended Forecast for

Whitewood SD

Today
High: 50 °F
Breezy.
Mostly Cloudy
then Chance
Rain
Tonight
Low: 18 °F
Chance
Rain/Snow and
Blustery then
Slight Chance
Snow
Friday
High: 22 °F
Snow
Friday Night
Low: 8 °F
Snow
Saturday
High: 18 °F
Snow Likely
then Slight
Chance Snow
Saturday Night
Low: 10 °F⇑
Partly Cloudy
Sunday
High: 50 °F
Sunny
Sunday Night
Low: 35 °F
Mostly Clear
Monday
High: 52 °F
Mostly Sunny

Detailed Forecast

Today

A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 50. Breezy, with a west wind 14 to 23 mph, with gusts as high as 40 mph.

Tonight

A chance of rain before 9pm, then a chance of snow. Cloudy, with a low around 18. Wind chill values as low as 9. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Friday

Snow. High near 22. Wind chill values as low as 6. Northwest wind 8 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow. Low around 8. East wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 18. North wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a temperature rising to around 24 by 5am. Southeast wind around 6 mph.

Sunday

Sunny, with a high near 50. Southwest wind 6 to 9 mph, with gusts as high as 17 mph.

Sunday Night

Mostly clear, with a low around 35. West wind around 10 mph, with gusts as high as 18 mph.

Monday

Mostly sunny, with a high near 52.

Monday Night

Partly cloudy, with a low around 37.

Tuesday

Partly sunny, with a high near 53.