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

54°F

12°C

Humidity 31%
Wind Speed NW 15 mph
Barometer 30.03 in (1016.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 18 Oct 6:55 am MDT
Extended Forecast for

10 Miles NNE New Underwood SD

  • Today

    Today: Sunny, with a high near 69. Northwest wind 9 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 29 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Northeast wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 17 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63. Light and variable wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. South wind 8 to 14 mph, with gusts as high as 26 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Southeast wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Breezy.

    High: 83 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 69. Northwest wind 9 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 29 mph.
Tonight
Mostly clear, with a low around 39. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 17 mph.
Monday
Sunny, with a high near 63. Light and variable wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 41. South wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 75. South wind 8 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 47. Southeast wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 83. Breezy.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
A slight chance of rain. Partly sunny, with a high near 82.
Friday Night
Rain likely. Mostly cloudy, with a low around 48. Breezy.
Saturday
A chance of rain. Partly sunny, with a high near 63. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE New Underwood SD
 44.22°N 102.77°W (Elev. 2720 ft)
6:56 am MDT Oct 18, 2026
7am 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