Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

43°F

6°C

Humidity 56%
Wind Speed S 5 mph
Barometer 30.01 in (1019.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 7 Dec 12:52 pm MST
Extended Forecast for

Rapid City Regional Airport SD

High Wind Watch December 9, 08:00am until December 9, 11:00pm
Click here for hazard details and duration
High Wind Watch
  • This Afternoon

    This Afternoon: Sunny, with a high near 43. Southwest wind 7 to 9 mph becoming northwest. Winds could gust as high as 18 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Southwest wind around 7 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 51. West wind 9 to 14 mph, with gusts as high as 29 mph.

    High: 51 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Southwest wind 9 to 15 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 11am.  Partly sunny, with a high near 59. Windy, with a west wind 18 to 23 mph becoming northwest 28 to 33 mph in the afternoon. Winds could gust as high as 47 mph.

    High: 59 °F

    Chance Rain
    and Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 27. Blustery, with a northwest wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 44 mph.

    Low: 27 °F

    Slight Chance
    Snow and
    Blustery

  • Wednesday

    Wednesday: A chance of snow before 11am, then rain and snow likely between 11am and 2pm, then rain likely after 2pm.  Mostly cloudy, with a high near 44. South wind 9 to 16 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%.

    High: 44 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 2am, then a chance of rain and snow.  Mostly cloudy, with a low around 23. Southwest wind 11 to 16 mph becoming northwest after midnight. Winds could gust as high as 29 mph.

    Low: 23 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow.  Partly sunny, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 43. Southwest wind 7 to 9 mph becoming northwest. Winds could gust as high as 18 mph.
Tonight
Mostly cloudy, with a low around 24. Southwest wind around 7 mph.
Monday
Increasing clouds, with a high near 51. West wind 9 to 14 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 29. Southwest wind 9 to 15 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of rain after 11am. Partly sunny, with a high near 59. Windy, with a west wind 18 to 23 mph becoming northwest 28 to 33 mph in the afternoon. Winds could gust as high as 47 mph.
Tuesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 27. Blustery, with a northwest wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 44 mph.
Wednesday
A chance of snow before 11am, then rain and snow likely between 11am and 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 44. South wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday Night
Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 23. Southwest wind 11 to 16 mph becoming northwest after midnight. Winds could gust as high as 29 mph.
Thursday
A chance of snow. Partly sunny, with a high near 35.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 5.
Friday
A chance of snow. Mostly cloudy, with a high near 17.
Friday Night
A chance of snow. Mostly cloudy, with a low around 2.
Saturday
A slight chance of snow. Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City Regional Airport SD
 44.04°N 103.06°W (Elev. 3100 ft)
12:31 pm MST Dec 7, 2025
1pm MST Dec 7, 2025-6pm MST Dec 13, 2025
 
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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