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.

Fair

73°F

23°C

Humidity 36%
Wind Speed SE 10 mph
Barometer 29.99 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 12:35 pm CDT
Extended Forecast for

11 Miles S Lebanon SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 52. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Chance
    Showers and
    Breezy then
    Showers

  • Sunday

    Sunday: Showers, mainly before 4pm. High near 66. Breezy, with an east wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 48. East wind 9 to 14 mph becoming light northeast. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 73. Northeast wind 5 to 11 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 51. South southeast wind 6 to 11 mph becoming west southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    T-storms then
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 73. Breezy, with a west northwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Breezy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Tonight
A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 52. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 4pm. High near 66. Breezy, with an east wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 48. East wind 9 to 14 mph becoming light northeast. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 73. Northeast wind 5 to 11 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 51. South southeast wind 6 to 11 mph becoming west southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 73. Breezy, with a west northwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 47. Breezy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly sunny, with a high near 73. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Lebanon SD
 44.9°N 99.74°W (Elev. 1880 ft)
Last Update:
12:36 pm CDT Jun 20, 2026
Forecast Valid:
12pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

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