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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 >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair and Breezy

50°F

10°C

Humidity 33%
Wind Speed N 23 G 36 mph
Barometer 30.12 in (1021.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 18 Apr 2:52 pm MDT
Extended Forecast for

2 Miles NNW Rapid City SD

  • This Afternoon

    This Afternoon: A 30 percent chance of showers. Partly sunny, with a steady temperature around 48. Northwest wind 16 to 18 mph, with gusts as high as 40 mph.

    High: 48 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 34 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Light and variable wind becoming east 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 38. East wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Southwest wind 6 to 11 mph becoming north in the morning. Winds could gust as high as 23 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, 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

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Southwest wind 5 to 14 mph becoming south in the morning. Winds could gust as high as 26 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon. Partly sunny, with a high near 85. Breezy.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Partly sunny, with a steady temperature around 48. Northwest wind 16 to 18 mph, with gusts as high as 40 mph.
Tonight
Mostly clear, with a low around 31. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 61. Light and variable wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 38. East wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Monday
Sunny, with a high near 77. Southwest wind 6 to 11 mph becoming north in the morning. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, 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 84. Southwest wind 5 to 14 mph becoming south in the morning. Winds could gust as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 55. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers after noon. Partly sunny, with a high near 85. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
Showers likely. Partly sunny, with a high near 57. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Windy.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 50. Breezy.
Friday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 28.
Saturday
A slight chance of rain and snow showers. Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Rapid City SD
 44.1°N 103.24°W (Elev. 3353 ft)
Last Update:
3:17 pm MDT Apr 18, 2026
Forecast Valid:
3pm MDT Apr 18, 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