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

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

A Few Clouds

15°F

-9°C

Humidity 74%
Wind Speed Calm
Barometer 30.05 in (1021.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 20 Jan 12:52 am MST
Extended Forecast for

Rapid Valley SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 21. Light south wind.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow between 11am and 2pm. Partly sunny, with a high near 44. Wind chill values as low as 13. Windy, with a south wind 5 to 10 mph becoming northwest 20 to 30 mph. Winds could gust as high as 49 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Wind chill values as low as 6. Blustery, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.

    Low: 19 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a temperature rising to near 34 by 11am, then falling to around 22 during the remainder of the day. Wind chill values as low as 9. Windy, with a northwest wind 27 to 32 mph decreasing to 20 to 25 mph. Winds could gust as high as 55 mph.

    High: 34 °F⇓

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. West wind 5 to 10 mph, with gusts as high as 22 mph.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. Northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around -5. North wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: -5 °F

    Slight Chance
    Snow

  • Friday

    Friday: A slight chance of snow. Partly sunny, with a high near 13. East wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 13 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 21. Light south wind.
Tuesday
A slight chance of snow between 11am and 2pm. Partly sunny, with a high near 44. Wind chill values as low as 13. Windy, with a south wind 5 to 10 mph becoming northwest 20 to 30 mph. Winds could gust as high as 49 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 19. Wind chill values as low as 6. Blustery, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.
Wednesday
Mostly sunny, with a temperature rising to near 34 by 11am, then falling to around 22 during the remainder of the day. Wind chill values as low as 9. Windy, with a northwest wind 27 to 32 mph decreasing to 20 to 25 mph. Winds could gust as high as 55 mph.
Wednesday Night
Partly cloudy, with a low around 10. West wind 5 to 10 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 28. Northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph.
Thursday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around -5. North wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
A slight chance of snow. Partly sunny, with a high near 13. East wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 17.
Monday
A slight chance of snow. Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.06°N 103.15°W (Elev. 3107 ft)
Last Update:
12:21 am MST Jan 20, 2026
Forecast Valid:
1am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation