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

31°F

-1°C

Humidity 54%
Wind Speed NW 5 mph
Barometer 30.06 in (1020.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 12 Feb 8:52 pm MST
Extended Forecast for

Rapid City Regional Airport SD

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 28. Wind chill values as low as 20. Light west wind.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Calm wind becoming northwest around 6 mph after midnight.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59. Northwest wind around 5 mph becoming light and variable.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Calm wind becoming southwest around 6 mph after midnight.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 16 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. Light west wind.

    Low: 28 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 62. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 28. Wind chill values as low as 20. Light west wind.
Friday
Sunny, with a high near 60. Calm wind becoming southeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 24. Calm wind becoming northwest around 6 mph after midnight.
Saturday
Sunny, with a high near 59. Northwest wind around 5 mph becoming light and variable.
Saturday Night
Partly cloudy, with a low around 23. Calm wind becoming southwest around 6 mph after midnight.
Sunday
Partly sunny, with a high near 64. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 28. Light west wind.
Washington's Birthday
Sunny, with a high near 62. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A chance of rain after 11am. Partly sunny, with a high near 61.
Tuesday Night
A chance of rain and snow. Partly cloudy, with a low around 26.
Wednesday
A chance of snow. Mostly sunny, with a high near 50. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Thursday
A slight chance of snow. Partly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rapid City Regional Airport SD
 44.04°N 103.06°W (Elev. 3100 ft)
Last Update:
8:48 pm MST Feb 12, 2026
Forecast Valid:
9pm MST Feb 12, 2026-6pm MST Feb 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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