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 >

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

38°F

3°C

Humidity	55%
Wind Speed	NW 17 mph
Barometer	30.04 in (1017.4 mb)
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Wind Chill	29°F (-2°C)
Last update	10 Dec 12:52 am MST

More Information:

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

Extended Forecast for

4 Miles WNW Colonial Pine Hills SD

Overnight
Low: 28 °F
Increasing
Clouds
Wednesday
High: 47 °F
Chance Snow
then Chance
Rain/Snow
Wednesday Night
Low: 37 °F⇑
Chance Rain
Thursday
High: 57 °F
Chance Rain
Thursday Night
Low: 19 °F
Rain/Snow
Likely then
Snow Likely
Friday
High: 26 °F
Snow Likely
Friday Night
Low: 7 °F
Chance Snow
Saturday
High: 21 °F
Chance Snow
then Partly
Sunny
Saturday Night
Low: 8 °F
Partly Cloudy

Detailed Forecast

Overnight

Increasing clouds, with a low around 28. Wind chill values as low as 20. Northwest wind 9 to 11 mph, with gusts as high as 34 mph.

Wednesday

A chance of rain and snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 47. Wind chill values as low as 20 early. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday Night

A 40 percent chance of rain, mainly before 11pm. Partly cloudy, with a temperature falling to near 37 by 11pm, then rising to around 45 during the remainder of the night. West wind around 8 mph, with gusts as high as 24 mph.

Thursday

A 30 percent chance of rain after 11am. Partly sunny, with a high near 57. West wind 8 to 11 mph, with gusts as high as 31 mph.

Thursday Night

Rain likely before 9pm, then rain and snow likely between 9pm and 10pm, then snow likely after 10pm. Mostly cloudy, with a low around 19. Northwest wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow likely. Cloudy, with a high near 26. North wind around 6 mph becoming east in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday Night

A 50 percent chance of snow. Cloudy, with a low around 7. Light and variable wind becoming southeast around 5 mph after midnight.

Saturday

A chance of snow before 11am. Partly sunny, with a high near 21. Northeast wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph.

Saturday Night

Partly cloudy, with a low around 8.

Sunday

Mostly sunny, with a high near 49.

Sunday Night

Partly cloudy, with a low around 29.

Monday

Mostly sunny, with a high near 49.

Monday Night

Partly cloudy, with a low around 31.

Tuesday

Mostly sunny, with a high near 53.