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.

Overcast

64°F

18°C

Humidity 94%
Wind Speed E 12 mph
Barometer 30.22 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Sep 9:35 pm CDT
Extended Forecast for

12 Miles NW Agar SD

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 56. Breezy, with an east wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 11am. Cloudy, with a high near 67. Breezy, with an east northeast wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely and
    Breezy then
    Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 53. Northeast wind 8 to 14 mph.

    Low: 53 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 65. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Cloudy

  • Saturday Night

    Saturday Night: A slight chance of showers. Cloudy, with a low around 52. East northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely after 1pm. Cloudy, with a high near 65. East wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Cloudy then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Cloudy, with a low around 51. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. East southeast wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 56. Breezy, with an east wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 11am. Cloudy, with a high near 67. Breezy, with an east northeast wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Cloudy, with a low around 53. Northeast wind 8 to 14 mph.
Saturday
Cloudy, with a high near 65. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Saturday Night
A slight chance of showers. Cloudy, with a low around 52. East northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Showers likely after 1pm. Cloudy, with a high near 65. East wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely, mainly before 1am. Cloudy, with a low around 51. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 49. East southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 69. Breezy.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 20%.
Wednesday
A chance of showers. Partly sunny, with a high near 73. Breezy. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NW Agar SD
 44.98°N 100.23°W (Elev. 1880 ft)
Last Update:
9:21 pm CDT Sep 17, 2026
Forecast Valid:
9pm CDT Sep 17, 2026-6pm CDT Sep 24, 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