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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 >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

36°F

2°C

Humidity 59%
Wind Speed SW 8 mph
Barometer 30.12 in (1021.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 18 Apr 10:52 pm MDT
Extended Forecast for

5 Miles NW Colonial Pine Hills SD

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Light west wind.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59. Calm wind becoming east 5 to 9 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Southeast wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. West wind 5 to 9 mph becoming north in the morning. Winds could gust as high as 21 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 23 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. East wind around 6 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. Southwest wind 6 to 11 mph, with gusts as high as 31 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. Light west wind.
Sunday
Sunny, with a high near 59. Calm wind becoming east 5 to 9 mph in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 36. Southeast wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 77. West wind 5 to 9 mph becoming north in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 44. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 84. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 54. East wind around 6 mph becoming light and variable. Winds could gust as high as 15 mph.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. Southwest wind 6 to 11 mph, with gusts as high as 31 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 43.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 53. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. Blustery.
Friday
A chance of snow showers. Mostly sunny, with a high near 49.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 26.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Colonial Pine Hills SD
 44.05°N 103.39°W (Elev. 4199 ft)
Last Update:
10:22 pm MDT Apr 18, 2026
Forecast Valid:
11pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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