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

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

41°F

5°C

Humidity	76%
Wind Speed	Calm
Barometer	29.66 in (1006.2 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	11 Dec 8:52 am MST

More Information:

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

Extended Forecast for

2 Miles S Rapid Valley SD

Today
High: 58 °F⇓
Breezy.
Mostly Sunny
then Slight
Chance Rain
Tonight
Low: 18 °F
Blustery.
Slight Chance
Rain/Snow
then Slight
Chance Snow
Friday
High: 25 °F
Snow
Friday Night
Low: 7 °F
Snow Likely
Saturday
High: 17 °F
Chance Snow
then Partly
Sunny
Saturday Night
Low: 7 °F⇑
Partly Cloudy
Sunday
High: 52 °F
Sunny
Sunday Night
Low: 30 °F
Mostly Clear
Monday
High: 55 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of rain after 3pm. Mostly sunny, with a temperature rising to near 58 by 11am, then falling to around 46 during the remainder of the day. Breezy, with a northwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 45 mph.

Tonight

A slight chance of rain before 11pm, then a slight chance of snow. Mostly cloudy, with a low around 18. Wind chill values as low as 9. Blustery, with a northwest wind 16 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.

Friday

Snow. High near 25. Wind chill values as low as 9. North wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night

Snow likely, mainly before 11pm. Cloudy, with a low around 7. Wind chill values as low as -3. East wind around 8 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday

A 50 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 17. Northeast wind 7 to 9 mph, with gusts as high as 17 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a temperature falling to near 7 by 8pm, then rising to around 15 during the remainder of the night. South wind 7 to 10 mph, with gusts as high as 18 mph.

Sunday

Sunny, with a high near 52. South wind 8 to 10 mph, with gusts as high as 17 mph.

Sunday Night

Mostly clear, with a low around 30. West wind 6 to 9 mph, with gusts as high as 16 mph.

Monday

Sunny, with a high near 55.

Monday Night

Partly cloudy, with a low around 32.

Tuesday

Partly sunny, with a high near 59.

Tuesday Night

Mostly cloudy, with a low around 32.