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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

34°F

1°C

Humidity 67%
Wind Speed W 7 mph
Barometer 30.13 in (1022.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 19 Apr 2:52 am MDT
Extended Forecast for

Rapid City SD

  • Overnight

    Overnight: Partly cloudy, with a low around 31. West wind around 5 mph becoming calm.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Light and variable wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Southeast wind 6 to 11 mph becoming south in the evening. Winds could gust as high as 23 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Light and variable wind becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. North wind 5 to 9 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 24 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. East wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. South wind 6 to 15 mph, with gusts as high as 32 mph.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. West wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 61. Light and variable wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 37. Southeast wind 6 to 11 mph becoming south in the evening. Winds could gust as high as 23 mph.
Monday
Sunny, with a high near 79. Light and variable wind becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 45. North wind 5 to 9 mph becoming light and variable. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 87. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 55. East wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. South wind 6 to 15 mph, with gusts as high as 32 mph.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 46.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 58. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. Windy.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 52. Breezy.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 29. Blustery.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
12:31 am MDT Apr 19, 2026
Forecast Valid:
3am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation