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

Areas of Severe Thunderstorms and Excessive Rainfall through This Weekend

Severe thunderstorms are expected across portions of the central into southern Plains into Sunday, with large hail and severe gusts the main threats. The threat for heavy to excessive rainfall and possible flash flooding will return to the south-central U.S. Friday into this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

58°F

14°C

Humidity 56%
Wind Speed E 14 mph
Barometer 30.09 in (1018.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 22 May 7:52 pm MDT
Extended Forecast for

2 Miles SSE Blackhawk SD

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 45. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 59. Southeast wind 9 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Patchy fog after 7pm. Otherwise, cloudy, with a low around 46. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 3pm. Patchy fog before 9am. High near 53. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 53 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 3am, then showers likely. Low around 47. East wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after noon. High near 55. East wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 55 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 45. Southeast wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 57. Southeast wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 57 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 45. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Friday
A slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 59. Southeast wind 9 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Patchy fog after 7pm. Otherwise, cloudy, with a low around 46. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Saturday
Showers, with thunderstorms also possible after 3pm. Patchy fog before 9am. High near 53. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 47. East wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 80%.
Sunday
Showers likely, then showers and possibly a thunderstorm after noon. High near 55. East wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45. Southeast wind 6 to 9 mph, with gusts as high as 20 mph.
Memorial Day
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 57. Southeast wind 6 to 13 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Wednesday
A chance of showers. Mostly sunny, with a high near 66.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 47.
Thursday
A chance of showers. Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Blackhawk SD
 44.12°N 103.3°W (Elev. 3599 ft)
Last Update:
5:49 pm MDT May 22, 2025
Forecast Valid:
8pm MDT May 22, 2025-6pm MDT May 29, 2025
 
Forecast Discussion
 
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Additional Resources

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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