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

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

72°F

22°C

Humidity 31%
Wind Speed S 3 mph
Barometer 29.85 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Mar 7:35 pm CDT
Extended Forecast for

Lebanon SD

  • Tonight

    Tonight: Mostly clear, with a low around 48. Light and variable wind becoming southwest 6 to 11 mph in the evening.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. West southwest wind 9 to 13 mph becoming north northwest in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Blustery, with a north wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Blustery.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 49. North wind 13 to 15 mph.

    High: 49 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. North wind 8 to 10 mph becoming southeast after midnight.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 59. Breezy, with a southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 59 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. South southeast wind 11 to 13 mph becoming east northeast after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. East northeast wind 13 to 16 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. East wind around 15 mph.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Light and variable wind becoming southwest 6 to 11 mph in the evening.
Saturday
Sunny, with a high near 81. West southwest wind 9 to 13 mph becoming north northwest in the afternoon.
Saturday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Blustery, with a north wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 49. North wind 13 to 15 mph.
Sunday Night
Partly cloudy, with a low around 29. North wind 8 to 10 mph becoming southeast after midnight.
Monday
Mostly cloudy, with a high near 59. Breezy, with a southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 32. South southeast wind 11 to 13 mph becoming east northeast after midnight.
Tuesday
Partly sunny, with a high near 55. East northeast wind 13 to 16 mph.
Tuesday Night
Mostly cloudy, with a low around 31. East wind around 15 mph.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 47. Breezy.
Thursday Night
Partly cloudy, with a low around 18. Blustery.
Friday
Sunny, with a high near 47.
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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:
7:26 pm CDT Mar 20, 2026
Forecast Valid:
7pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation