National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Overcast

41°F

5°C

Humidity 53%
Wind Speed SE 10 mph
Barometer 29.94 in (1015.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Dec 11:52 am MST
Extended Forecast for

4 Miles WNW Colonial Pine Hills SD

  • This Afternoon

    This Afternoon: A slight chance of snow before 2pm, then a chance of rain. Cloudy, with a high near 46. Southwest wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 2am. Mostly cloudy, with a temperature rising to around 45 by 3am. West wind around 8 mph, with gusts as high as 23 mph.

    Low: 40 °F⇑

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain after 11am. Mostly sunny, with a high near 57. West wind 10 to 14 mph, with gusts as high as 39 mph.

    High: 57 °F

    Chance Rain

  • Thursday Night

    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 20. Northwest wind 5 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Friday

    Friday: Snow likely. Cloudy, with a high near 29. East wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 29 °F

    Snow Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 13. Calm wind becoming southeast around 5 mph in the evening. New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 26. North wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.

    High: 26 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13. Calm wind becoming south around 6 mph in the evening. Winds could gust as high as 16 mph.

    Low: 13 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of snow before 2pm, then a chance of rain. Cloudy, with a high near 46. Southwest wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tonight
A 50 percent chance of rain, mainly before 2am. Mostly cloudy, with a temperature rising to around 45 by 3am. West wind around 8 mph, with gusts as high as 23 mph.
Thursday
A 30 percent chance of rain after 11am. Mostly sunny, with a high near 57. West wind 10 to 14 mph, with gusts as high as 39 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 20. Northwest wind 5 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Cloudy, with a high near 29. East wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13. Calm wind becoming southeast around 5 mph in the evening. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 26. North wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 13. Calm wind becoming south around 6 mph in the evening. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Colonial Pine Hills SD
 44.05°N 103.39°W (Elev. 4199 ft)
Last Update:
10:22 am MST Dec 10, 2025
Forecast Valid:
12pm MST Dec 10, 2025-6pm MST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation