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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Overcast and Breezy

67°F

19°C

Humidity 76%
Wind Speed SE 22 G 25 mph
Barometer 29.82 in (1009.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Jun 4:52 pm MDT
Extended Forecast for

Rapid City SD

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 67. Southeast wind around 10 mph, with gusts as high as 28 mph.

    High: 67 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Areas of fog after 2am. Low around 55. Southeast wind 5 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 55 °F

    Showers then
    Chance
    T-storms and
    Areas Fog

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Areas of fog before 9am. High near 67. North wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 67 °F

    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, with a low around 50. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Cloudy

  • Monday

    Monday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 72. Light south wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    High: 72 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 51. Southeast wind 5 to 7 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 67. Southeast wind around 10 mph, with gusts as high as 28 mph.
Tonight
Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Areas of fog after 2am. Low around 55. Southeast wind 5 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. Areas of fog before 9am. High near 67. North wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, with a low around 50. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 72. Light south wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 51. Southeast wind 5 to 7 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Wednesday Night
A chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 50.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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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:
4:23 pm MDT Jun 20, 2026
Forecast Valid:
5pm MDT Jun 20, 2026-6pm MDT Jun 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation