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.

Mostly Cloudy

30°F

-1°C

Humidity 100%
Wind Speed N 7 mph
Barometer 30.16 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 30 Apr 6:35 am CDT
Extended Forecast for

Lebanon SD

  • Today

    Today: A slight chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 55. Breezy, with a northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    High: 55 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 27. North wind 12 to 17 mph becoming light and variable after midnight.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. West wind 5 to 10 mph becoming north in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. North wind 6 to 9 mph becoming south after midnight.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70. Southwest wind 10 to 15 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. West wind 10 to 13 mph becoming north northwest after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. North northwest wind 10 to 14 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. West wind 7 to 14 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67. Breezy, with a northwest wind 15 to 23 mph.

    High: 67 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 55. Breezy, with a northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 27. North wind 12 to 17 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 56. West wind 5 to 10 mph becoming north in the afternoon.
Friday Night
Mostly clear, with a low around 32. North wind 6 to 9 mph becoming south after midnight.
Saturday
Sunny, with a high near 70. Southwest wind 10 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 41. West wind 10 to 13 mph becoming north northwest after midnight.
Sunday
Mostly sunny, with a high near 65. North northwest wind 10 to 14 mph.
Sunday Night
Partly cloudy, with a low around 41. West wind 7 to 14 mph.
Monday
Mostly sunny, with a high near 67. Breezy, with a northwest wind 15 to 23 mph.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 61. Breezy. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 54. Breezy. Chance of precipitation is 20%.
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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:
6:36 am CDT Apr 30, 2026
Forecast Valid:
6am CDT Apr 30, 2026-6pm CDT May 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation