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

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

30°F

-1°C

Humidity 51%
Wind Speed Calm
Barometer 30.06 in (1019.4 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 12 Feb 10:52 pm MST
Extended Forecast for

Rapid City SD

  • Tonight

    Tonight: Mostly clear, with a low around 27. West wind 3 to 5 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Calm wind becoming southeast around 5 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. Calm wind becoming west around 5 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. Calm wind becoming southeast around 5 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Calm wind becoming southwest around 5 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. West wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. Light west wind.

    Low: 31 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 63. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. West wind 3 to 5 mph.
Friday
Sunny, with a high near 59. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly clear, with a low around 29. Calm wind becoming west around 5 mph after midnight.
Saturday
Sunny, with a high near 59. Calm wind becoming southeast around 5 mph.
Saturday Night
Partly cloudy, with a low around 31. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Partly sunny, with a high near 65. West wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 31. Light west wind.
Washington's Birthday
Sunny, with a high near 63. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 59.
Tuesday Night
A chance of rain and snow. Partly cloudy, with a low around 29.
Wednesday
A chance of snow. Mostly sunny, with a high near 48.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
11:32 pm MST Feb 12, 2026
Forecast Valid:
11pm MST Feb 12, 2026-6pm MST Feb 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation