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

29°F

-2°C

Humidity 72%
Wind Speed NW 9 mph
Barometer 30.15 in (1023.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 19 Apr 5:52 am MDT
Extended Forecast for

Rapid City Regional Airport SD

  • Today

    Today: Sunny, with a high near 62. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. Southeast wind 6 to 15 mph, with gusts as high as 24 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. South wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North wind 9 to 14 mph becoming light and variable  in the evening. Winds could gust as high as 22 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 26 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Southeast wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 86. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 44. Breezy, with a west wind 16 to 20 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Showers likely, mainly after noon.  Partly sunny, with a high near 60. Very windy.

    High: 60 °F

    Showers
    Likely and
    Very Windy

Detailed Forecast

Today
Sunny, with a high near 62. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Mostly clear, with a low around 31. Southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 81. South wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 42. North wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 89. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 50. Southeast wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 44. Breezy, with a west wind 16 to 20 mph, with gusts as high as 30 mph.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 60. Very windy.
Thursday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 3am, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 29. Windy.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 54. Breezy.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 27. Blustery.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City Regional Airport SD
 44.04°N 103.06°W (Elev. 3100 ft)
4:22 am MDT Apr 19, 2026
6am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
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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