Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Mostly Cloudy

59°F

15°C

Humidity 96%
Wind Speed NE 7 mph
Barometer 29.79 in (1006.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Jun 10:52 pm MDT
Extended Forecast for

Rapid City SD

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Areas of fog.  Otherwise, cloudy, with a low around 55. North wind 6 to 8 mph becoming southeast after midnight.  Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely and
    Areas Fog

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon.  Areas of fog before 3pm.  Otherwise, cloudy, with a high near 65. North wind 8 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely 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 51. North wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 23 mph.  Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 73. East wind 5 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 73 °F

    Partly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am.  Mostly cloudy, with a low around 53. East wind 5 to 8 mph becoming light and variable. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 3pm.  Mostly sunny, with a high near 74. North wind 8 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • 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

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers after midnight.  Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Areas of fog. Otherwise, cloudy, with a low around 55. North wind 6 to 8 mph becoming southeast after midnight. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after noon. Areas of fog before 3pm. Otherwise, cloudy, with a high near 65. North wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, with a low around 51. North wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 73. East wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 53. East wind 5 to 8 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 74. North wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 50.
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 slight chance of showers after midnight. Partly cloudy, with a low around 51.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 74.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
11:32 pm MDT Jun 20, 2026
11pm MDT Jun 20, 2026-6pm MDT Jun 27, 2026
 
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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