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

86°F

30°C

Humidity 26%
Wind Speed S 20 G 29 mph
Barometer 29.95 in (1011.6 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 Sep 4:52 pm MDT
Extended Forecast for

Hermosa SD

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. South wind 9 to 18 mph, with gusts as high as 31 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83. Southwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. North wind 5 to 7 mph becoming southwest after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Southwest wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °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 9 to 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 88. South wind 9 to 18 mph, with gusts as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 83. Southwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 56. North wind 5 to 7 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 88. Southwest wind 8 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 76. North wind 10 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 70.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48.
Sunday
A chance of showers. Partly sunny, with a high near 64.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41.
Monday
A chance of showers. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Hermosa SD
 43.84°N 103.19°W (Elev. 3383 ft)
5:36 pm MDT Sep 29, 2025
5pm 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