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

Areas of Excessive Rainfall and Severe Thunderstorms Friday

Heavy thunderstorms may bring areas of excessive rainfall and locally considerable flooding over parts of the Ozarks into the lower-Mississippi River Valley Friday and Saturday. Scattered severe thunderstorms may occur Friday from Montana into the central Plains, with hail and corridors of damaging winds possible. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fog/Mist

60°F

16°C

Humidity 90%
Wind Speed E 3 mph
Barometer 29.95 in (1011.9 mb)
Dewpoint 57°F (14°C)
Visibility 2.50 mi
Last update 13 Jun 1:52 am MDT
Extended Forecast for

Rapid City SD

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 3am. Areas of fog. Otherwise, cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Slight Chance
    T-storms and
    Areas Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 25 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 60.

    Low: 60 °F

    T-storms
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 3am. Areas of fog. Otherwise, cloudy, with a low around 57. Calm wind.
Friday
Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 60.
Tuesday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 76.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 57.
Juneteenth
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
1:09 am MDT Jun 13, 2025
Forecast Valid:
2am MDT Jun 13, 2025-6pm MDT Jun 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation