National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain in the Ohio and Tennessee Valleys; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. One tropical wave will bring periods of heavy rain, thunderstorms, flood risk, and landslides to Puerto Rico and the US Virgin Islands through Friday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

77°F

25°C

Humidity 33%
Wind Speed S 6 mph
Barometer 30.25 in (1022.6 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 24 Sep 11:52 am MDT
Extended Forecast for

2 Miles WSW Rapid City Regional Airport SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. South wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. West wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Southeast wind around 7 mph becoming southwest after midnight.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Southwest wind 7 to 17 mph becoming north in the morning. Winds could gust as high as 29 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. North wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. West wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 26 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. South wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. South wind 9 to 13 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 52. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph.
Thursday
Sunny, with a high near 85. West wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 51. Southeast wind around 7 mph becoming southwest after midnight.
Friday
Sunny, with a high near 86. Southwest wind 7 to 17 mph becoming north in the morning. Winds could gust as high as 29 mph.
Friday Night
Mostly clear, with a low around 50. North wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph.
Saturday
Sunny, with a high near 82. West wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Clear, with a low around 56. South wind 9 to 11 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Rapid City Regional Airport SD
 44.04°N 103.12°W (Elev. 3071 ft)
Last Update:
12:36 pm MDT Sep 24, 2025
Forecast Valid:
1pm MDT Sep 24, 2025-6pm MDT Sep 30, 2025
 
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