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.

Fair and Windy

59°F

15°C

Humidity 44%
Wind Speed NW 28 G 38 mph
Barometer 29.81 in (1008.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 16 May 5:52 pm MDT
Extended Forecast for

Rapid City Regional Airport SD

Frost Advisory May 17, 01:00am until May 17, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Breezy, with a northwest wind 21 to 26 mph becoming light west after midnight. Winds could gust as high as 47 mph.

    Low: 34 °F

    Partly Cloudy
    and Breezy
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 7am. Otherwise, sunny, with a high near 67. Light and variable wind becoming east 13 to 18 mph in the morning. Winds could gust as high as 28 mph.

    High: 67 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 43. Southeast wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 59. Breezy, with a southeast wind 13 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.

    High: 59 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before midnight, then rain after midnight. Low around 41. Breezy, with an east wind 11 to 20 mph becoming north after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%.

    Low: 41 °F

    Showers and
    Breezy

  • Monday

    Monday: Rain. High near 50. Breezy, with a north wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

    High: 50 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 38. North wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 55. Breezy, with a north wind 15 to 20 mph, with gusts as high as 33 mph.

    High: 55 °F

    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Breezy, with a northwest wind 21 to 26 mph becoming light west after midnight. Winds could gust as high as 47 mph.
Saturday
Areas of frost before 7am. Otherwise, sunny, with a high near 67. Light and variable wind becoming east 13 to 18 mph in the morning. Winds could gust as high as 28 mph.
Saturday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 43. Southeast wind 10 to 18 mph, with gusts as high as 28 mph.
Sunday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 59. Breezy, with a southeast wind 13 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before midnight, then rain after midnight. Low around 41. Breezy, with an east wind 11 to 20 mph becoming north after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%.
Monday
Rain. High near 50. Breezy, with a north wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 38. North wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tuesday
Rain likely. Mostly cloudy, with a high near 55. Breezy, with a north wind 15 to 20 mph, with gusts as high as 33 mph.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 37.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City Regional Airport SD
 44.04°N 103.06°W (Elev. 3100 ft)
Last Update:
6:11 pm MDT May 16, 2025
Forecast Valid:
6pm MDT May 16, 2025-6pm MDT May 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation