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.

Fair

39°F

4°C

Humidity	100%
Wind Speed	NE 7 mph
Barometer	29.73 in
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Wind Chill	34°F (1°C)
Last update	11 Dec 10:35 am MST

More Information:

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

Extended Forecast for

3 Miles NW Central City SD

Today
High: 48 °F⇓
Slight Chance
Rain then
Rain Likely
Tonight
Low: 18 °F
Rain/Snow
Likely then
Slight Chance
Snow
Friday
High: 20 °F⇓
Snow
Friday Night
Low: 10 °F
Snow
Saturday
High: 22 °F
Snow Likely
then Slight
Chance Snow
Saturday Night
Low: 13 °F⇑
Partly Cloudy
Sunday
High: 52 °F
Sunny
Sunday Night
Low: 36 °F
Mostly Clear
Monday
High: 51 °F
Mostly Sunny

Detailed Forecast

Today

Rain likely, mainly after 3pm. Mostly cloudy, with a temperature falling to around 38 by 5pm. Northwest wind 10 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

Tonight

Snow likely, possibly mixed with rain before 8pm, then a chance of snow. Cloudy, with a low around 18. Wind chill values as low as 10. Northwest wind 8 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow. Temperature rising to near 20 by noon, then falling to around 15 during the remainder of the day. Wind chill values as low as 8. Northwest wind 5 to 7 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow. Low around 10. East wind 3 to 5 mph. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 22. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a temperature rising to around 29 by 5am. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 16 mph.

Sunday

Sunny, with a high near 52. Southwest wind around 7 mph, with gusts as high as 18 mph.

Sunday Night

Mostly clear, with a low around 36. West wind 6 to 8 mph, with gusts as high as 20 mph.

Monday

Mostly sunny, with a high near 51.

Monday Night

Partly cloudy, with a low around 38.

Tuesday

Partly sunny, with a high near 52.

Tuesday Night

A chance of rain and snow. Mostly cloudy, with a low around 33.