Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Ellsworth Air Force Base (KRCA)

Lat: 44.15°NLon: 103.1°WElev: 3278ft.

Fair

61°F

16°C

Humidity 27%
Wind Speed N 13 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Oct 11:55 am MDT
Extended Forecast for

Rapid City SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. North wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 45. South wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Southwest wind 5 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Breezy.

    High: 77 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 66. North wind 7 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 38. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 61. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Clear, with a low around 45. South wind 5 to 8 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 76. Southwest wind 5 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 48. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 77. Breezy.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A slight chance of rain. Partly sunny, with a high near 75.
Friday Night
A chance of rain. Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
12:31 pm MDT Oct 18, 2026
12pm MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database