Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

77°F

25°C

Humidity 45%
Wind Speed NE 9 G 29 mph
Barometer 29.64 in (1000.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jun 7:52 am MDT
Extended Forecast for

Rapid Valley SD

  • Today

    Today: Sunny and hot, with a high near 102. Breezy, with a northwest wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 102 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 63. West wind 10 to 15 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 30 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 60 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 50. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 73. North wind 10 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 53. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 73.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 102. Breezy, with a northwest wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Mostly clear, with a low around 63. West wind 10 to 15 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 97. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly clear, with a low around 60. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 79. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 73. North wind 10 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 53. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 73.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 55.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.06°N 103.15°W (Elev. 3107 ft)
6:29 am MDT Jun 20, 2025
8am MDT Jun 20, 2025-6pm MDT Jun 26, 2025
 
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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