Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

A Few Clouds and Windy

42°F

6°C

Humidity 40%
Wind Speed NW 33 G 44 mph
Barometer 29.96 in (1016.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Apr 11:52 am MDT
Extended Forecast for

Rapid City SD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 43. Breezy, with a northwest wind 21 to 23 mph, with gusts as high as 44 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Wind chill values as low as 19. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph.

    Low: 26 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54. Breezy, with a northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 54 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Northwest wind 10 to 15 mph becoming light west  after midnight. Winds could gust as high as 31 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78. Southwest wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 43. Breezy, with a northwest wind 21 to 23 mph, with gusts as high as 44 mph.
Tonight
Partly cloudy, with a low around 26. Wind chill values as low as 19. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph.
Saturday
Mostly sunny, with a high near 54. Breezy, with a northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph.
Saturday Night
Mostly clear, with a low around 31. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 31 mph.
Sunday
Sunny, with a high near 64. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 38. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 78. Southwest wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 45. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A chance of showers. Mostly sunny, with a high near 85.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Thursday
A chance of showers. Mostly sunny, with a high near 68. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
12:32 pm MDT Apr 17, 2026
12pm MDT Apr 17, 2026-6pm MDT Apr 23, 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