Remnants of Arthur and Heavy Rainfall Across the South; Severe Weather for the East

Potential life threatening flash flooding across the northern Gulf Coast states as the remnants of Arthur track across the area. Remember, turn around - don't drown. In addition, severe thunderstorms with tornadoes are possible with the circulation of this storm. The threat for more severe thunderstorms will occur across portions of the Northeast, mid-Atlantic and central Appalachian's. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Mostly Cloudy

72°F

22°C

Humidity 30%
Wind Speed N 8 mph
Barometer 29.97 in (1013.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Jun 2:52 pm MDT
Extended Forecast for

Rapid City SD

  • This Afternoon

    This Afternoon: A chance of sprinkles before 4pm, then a slight chance of showers after 4pm.  Partly sunny, with a high near 76. North wind around 8 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Northeast wind around 6 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 77. North wind 6 to 13 mph, with gusts as high as 28 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 52. North wind 5 to 8 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 76. Light south wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 31 mph.  Chance of precipitation is 60%.

    High: 76 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 54. East wind 5 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 66. Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon.  Partly sunny, with a high near 70.

    High: 70 °F

    Showers

Detailed Forecast

This Afternoon
A chance of sprinkles before 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 76. North wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 53. Northeast wind around 6 mph becoming west after midnight. Winds could gust as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 77. North wind 6 to 13 mph, with gusts as high as 28 mph.
Friday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 52. North wind 5 to 8 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 76. Light south wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 54. East wind 5 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 90%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 70.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 75.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
2:58 pm MDT Jun 18, 2026
3pm MDT Jun 18, 2026-6pm MDT Jun 25, 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