National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair and Breezy

73°F

23°C

Humidity 50%
Wind Speed NW 22 G 29 mph
Barometer 30.06 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 3 Oct 2:35 pm CDT
Extended Forecast for

Lebanon SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. Northwest wind around 15 mph, with gusts as high as 24 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. North northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 68. Calm wind becoming west around 6 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Northeast wind 6 to 14 mph becoming southeast after midnight.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Southeast wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. South wind 8 to 11 mph becoming west after midnight.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. North wind around 8 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. North northeast wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. Northwest wind around 15 mph, with gusts as high as 24 mph.
Tonight
Increasing clouds, with a low around 43. North northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 68. Calm wind becoming west around 6 mph.
Sunday Night
Mostly clear, with a low around 48. Northeast wind 6 to 14 mph becoming southeast after midnight.
Monday
Sunny, with a high near 75. Southeast wind 15 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 55. South wind 8 to 11 mph becoming west after midnight.
Tuesday
Sunny, with a high near 77. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 50. North wind around 8 mph.
Wednesday
Mostly sunny, with a high near 71. North northeast wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Sunny, with a high near 72. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon SD
 45.07°N 99.78°W (Elev. 1955 ft)
Last Update:
2:21 pm CDT Oct 3, 2026
Forecast Valid:
3pm CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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