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

69°F

21°C

Humidity 68%
Wind Speed SE 13 mph
Barometer 29.86 in (1010.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Jun 3:52 pm MDT
Extended Forecast for

5 Miles ENE Keystone SD

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Cloudy, with a steady temperature around 61. East wind 3 to 7 mph. Winds could gust as high as 24 mph.

    High: 61 °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.  Patchy fog after 1am. Low around 54. Southeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    Low: 54 °F

    Showers then
    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  Areas of fog before 9am. High near 63. North wind 6 to 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%.

    High: 63 °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 49. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 23 mph.  Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    T-storms then
    Mostly 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 66. South wind 5 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    High: 66 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 49. Southeast wind 5 to 7 mph becoming northwest in the evening. Winds could gust as high as 16 mph.  Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °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 67.

    High: 67 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 61. East wind 3 to 7 mph. Winds could gust as high as 24 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. Patchy fog after 1am. Low around 54. Southeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. Areas of fog before 9am. High near 63. North wind 6 to 11 mph, with gusts as high as 26 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 49. North wind 5 to 10 mph becoming light and variable. 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 66. South wind 5 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. Southeast wind 5 to 7 mph becoming northwest in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Wednesday Night
A chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 49.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Keystone SD
 43.92°N 103.35°W (Elev. 4554 ft)
4:23 pm MDT Jun 20, 2026
4pm MDT Jun 20, 2026-6pm MDT Jun 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database