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

46°F

8°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 29.85 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 16 Jun 6:35 am CDT
Extended Forecast for

Lebanon SD

  • Today

    Today: Increasing clouds, with a high near 79. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 79 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Cloudy during the early evening, then gradual clearing, with a low around 55. South wind 11 to 15 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Increasing clouds, with a high near 71. Windy, with a northwest wind 23 to 28 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 47. Breezy, with a north northwest wind 23 to 28 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms and
    Breezy

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 72. Northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Northwest wind 5 to 13 mph becoming east after midnight.

    Low: 47 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 79. Southwest wind 7 to 10 mph becoming northwest in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. North wind 10 to 13 mph becoming east after midnight.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy, with an east wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

Detailed Forecast

Today
Increasing clouds, with a high near 79. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Cloudy during the early evening, then gradual clearing, with a low around 55. South wind 11 to 15 mph becoming north after midnight. Chance of precipitation is 40%.
Wednesday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Increasing clouds, with a high near 71. Windy, with a northwest wind 23 to 28 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 50%.
Wednesday Night
A slight chance of showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 47. Breezy, with a north northwest wind 23 to 28 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 72. Northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 47. Northwest wind 5 to 13 mph becoming east after midnight.
Juneteenth
Mostly sunny, with a high near 79. Southwest wind 7 to 10 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 52. North wind 10 to 13 mph becoming east after midnight.
Saturday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy, with an east wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Breezy. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51. Breezy. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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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 16, 2026
Forecast Valid:
6am CDT Jun 16, 2026-6pm CDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation