Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

90°F

32°C

Humidity 23%
Wind Speed S 14 mph
Barometer 29.94 in (1011.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 29 Sep 2:52 pm MDT
Extended Forecast for

Rapid City Regional Airport SD

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. South wind 11 to 18 mph, with gusts as high as 31 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. South wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Southwest wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. North wind 5 to 8 mph becoming southwest after midnight.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Southwest wind 8 to 11 mph, with gusts as high as 24 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. North wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South wind 11 to 13 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 90. South wind 11 to 18 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly clear, with a low around 58. South wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 85. Southwest wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 54. North wind 5 to 8 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 90. Southwest wind 8 to 11 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 54. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 77. North wind 13 to 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
A slight chance of showers after noon. Mostly sunny, with a high near 73.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48.
Sunday
A chance of showers. Mostly sunny, with a high near 67.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 40.
Monday
A chance of showers. Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City Regional Airport SD
 44.04°N 103.06°W (Elev. 3100 ft)
3:22 pm MDT Sep 29, 2025
3pm MDT Sep 29, 2025-6pm MDT Oct 6, 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