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.

A Few Clouds

72°F

22°C

Humidity 69%
Wind Speed E 12 G 18 mph
Barometer 30.23 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Sep 3:15 pm CDT
Extended Forecast for

19 Miles S Seneca SD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 72. East wind around 16 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 56. Breezy, with an east wind 13 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 56 °F

    Chance
    Showers then
    Heavy Rain
    and Breezy

  • Friday

    Friday: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. Some of the storms could produce heavy rainfall. High near 66. Breezy, with an east wind 16 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Breezy. Heavy
    Rain then
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers between 7pm and 9pm. Cloudy, with a low around 53. Northeast wind 10 to 16 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers then
    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 64. Northeast wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 64 °F

    Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 52. East northeast wind 11 to 15 mph.

    Low: 52 °F

    Cloudy

  • Sunday

    Sunday: A chance of showers after 1pm. Cloudy, with a high near 64. East wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 64 °F

    Cloudy then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely. Cloudy, with a low around 51. East wind 10 to 15 mph. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 1pm. Mostly cloudy, with a high near 62. East wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 72. East wind around 16 mph.
Tonight
Showers likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 56. Breezy, with an east wind 13 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. Some of the storms could produce heavy rainfall. High near 66. Breezy, with an east wind 16 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A slight chance of showers between 7pm and 9pm. Cloudy, with a low around 53. Northeast wind 10 to 16 mph. Chance of precipitation is 20%.
Saturday
Cloudy, with a high near 64. Northeast wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Cloudy, with a low around 52. East northeast wind 11 to 15 mph.
Sunday
A chance of showers after 1pm. Cloudy, with a high near 64. East wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely. Cloudy, with a low around 51. East wind 10 to 15 mph. Chance of precipitation is 70%.
Monday
A chance of showers before 1pm. Mostly cloudy, with a high near 62. East wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Monday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 68. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51. Breezy. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 70. Breezy. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles S Seneca SD
 44.8°N 99.56°W (Elev. 1821 ft)
Last Update:
3:21 pm CDT Sep 17, 2026
Forecast Valid:
3pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation