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.

A Few Clouds

38°F

3°C

Humidity 68%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1020.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 7 Dec 11:52 am MST
Extended Forecast for

20 Miles SE Fairburn SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 43. West wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Wind chill values as low as 14. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. Wind chill values as low as 19 early. West wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. Wind chill values as low as 18. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph.

    Low: 28 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 57. Windy, with a west wind 22 to 30 mph becoming northwest in the afternoon. Winds could gust as high as 45 mph.

    High: 57 °F

    Slight Chance
    Rain and
    Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 27. Northwest wind 9 to 17 mph, with gusts as high as 29 mph.

    Low: 27 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then rain and snow likely between 11am and 3pm, then rain likely after 3pm.  Mostly cloudy, with a high near 40. Southwest wind 9 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 8pm, then rain and snow likely between 8pm and 1am, then snow likely after 1am.  Mostly cloudy, with a low around 20. West wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 20 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow.  Partly sunny, with a high near 28.

    High: 28 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 43. West wind 11 to 14 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 21. Wind chill values as low as 14. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 48. Wind chill values as low as 19 early. West wind 11 to 16 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 28. Wind chill values as low as 18. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 57. Windy, with a west wind 22 to 30 mph becoming northwest in the afternoon. Winds could gust as high as 45 mph.
Tuesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 27. Northwest wind 9 to 17 mph, with gusts as high as 29 mph.
Wednesday
A chance of snow before 11am, then rain and snow likely between 11am and 3pm, then rain likely after 3pm. Mostly cloudy, with a high near 40. Southwest wind 9 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
Rain likely before 8pm, then rain and snow likely between 8pm and 1am, then snow likely after 1am. Mostly cloudy, with a low around 20. West wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph.
Thursday
A chance of snow. Partly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 3.
Friday
A slight chance of snow. Mostly cloudy, with a high near 17.
Friday Night
Mostly cloudy, with a low around 4.
Saturday
Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles SE Fairburn SD
 43.53°N 102.89°W (Elev. 3199 ft)
9:17 am MST Dec 7, 2025
12pm 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