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

54°F

12°C

Humidity 100%
Wind Speed SW 10 mph
Barometer 29.79 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 30 Jun 6:35 am CDT
Extended Forecast for

Lebanon SD

  • Today

    Today: Sunny, with a high near 85. Breezy, with a west southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 85 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 60. West southwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 23 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 87. Southeast wind around 8 mph becoming northwest in the afternoon.

    High: 87 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. West wind 6 to 8 mph becoming southeast in the evening.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91. Southeast wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 60. Southeast wind 8 to 15 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny and hot, with a high near 90. East northeast wind 7 to 15 mph, with gusts as high as 24 mph.

    High: 90 °F

    Hot

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. East wind 9 to 16 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Independence Day

    Independence Day: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Northeast wind around 11 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 85. Breezy, with a west southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Increasing clouds, with a low around 60. West southwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 23 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 87. Southeast wind around 8 mph becoming northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. West wind 6 to 8 mph becoming southeast in the evening.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91. Southeast wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 60. Southeast wind 8 to 15 mph. Chance of precipitation is 50%.
Friday
Mostly sunny and hot, with a high near 90. East northeast wind 7 to 15 mph, with gusts as high as 24 mph.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. East wind 9 to 16 mph. Chance of precipitation is 70%.
Independence Day
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Northeast wind around 11 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny and hot, with a high near 90.
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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 Jun 30, 2026
Forecast Valid:
6am CDT Jun 30, 2026-6pm CDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation