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.

Overcast

48°F

9°C

Humidity 82%
Wind Speed SE 6 mph
Barometer 30.30 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 2 Oct 4:15 am CDT
Extended Forecast for

Lebanon SD

  • Today

    Today: A chance of sprinkles between 9am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 62. Breezy, with a southeast wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 62 °F

    Mostly Cloudy
    then Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 49. Breezy, with a southeast wind 14 to 22 mph, with gusts as high as 33 mph.

    Low: 49 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: A slight chance of showers between 1pm and 3pm. Partly sunny, then gradually becoming sunny, with a high near 71. South southwest wind 7 to 12 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. North northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Northwest wind around 6 mph becoming southeast in the afternoon.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 31 mph.

    High: 71 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. South southeast wind 10 to 17 mph, with gusts as high as 29 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. South southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of sprinkles between 9am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 62. Breezy, with a southeast wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Mostly clear, with a low around 49. Breezy, with a southeast wind 14 to 22 mph, with gusts as high as 33 mph.
Saturday
A slight chance of showers between 1pm and 3pm. Partly sunny, then gradually becoming sunny, with a high near 71. South southwest wind 7 to 12 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 44. North northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 64. Northwest wind around 6 mph becoming southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 46. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 71. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 54. South southeast wind 10 to 17 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 78. South southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 70.
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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:
4:21 am CDT Oct 2, 2026
Forecast Valid:
4am CDT Oct 2, 2026-6pm CDT Oct 8, 2026
 
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