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

63°F

17°C

Humidity 22%
Wind Speed N 7 mph
Barometer 29.79 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 7 May 7:55 pm CDT
Extended Forecast for

Lebanon SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Northwest wind 5 to 8 mph becoming east southeast in the evening.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 72. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 72 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 41. Northwest wind 9 to 16 mph becoming west southwest in the evening. Winds could gust as high as 24 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 63. North wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. North northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. North northwest wind 6 to 11 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. North wind 9 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. Breezy, with a southeast wind 16 to 23 mph, with gusts as high as 31 mph.

    High: 78 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 44. South wind around 14 mph becoming north northwest in the evening. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Northwest wind 5 to 8 mph becoming east southeast in the evening.
Friday
Sunny, with a high near 72. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Increasing clouds, with a low around 41. Northwest wind 9 to 16 mph becoming west southwest in the evening. Winds could gust as high as 24 mph.
Saturday
Partly sunny, with a high near 63. North wind 11 to 17 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 34. North northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight.
Sunday
Sunny, with a high near 66. North northwest wind 6 to 11 mph.
Sunday Night
Partly cloudy, with a low around 38. North wind 9 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Monday
Partly sunny, with a high near 78. Breezy, with a southeast wind 16 to 23 mph, with gusts as high as 31 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 44. South wind around 14 mph becoming north northwest in the evening. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 76. Breezy.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 82. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon SD
 45.07°N 99.78°W (Elev. 1955 ft)
Last Update:
7:36 pm CDT May 7, 2026
Forecast Valid:
8pm CDT May 7, 2026-6pm CDT May 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation