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

55°F

13°C

Humidity 100%
Wind Speed E 10 mph
Barometer 30.22 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 16 Sep 11:55 pm CDT
Extended Forecast for

16 Miles NW Agar SD

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Light northeast wind.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 5pm. Mostly cloudy, with a high near 71. East wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 10pm. Low around 56. Breezy, with an east wind 11 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 56 °F

    Showers and
    Breezy

  • Friday

    Friday: A chance of showers, mainly before noon. Cloudy, with a high near 69. Breezy, with a northeast wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers and
    Breezy then
    Slight Chance
    Showers

  • Friday Night

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

    Low: 53 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 68. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of showers after midnight. Mostly cloudy, with a low around 55. East northeast wind 7 to 11 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 65. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 54. East northeast wind 7 to 10 mph. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Light northeast wind.
Thursday
A slight chance of showers after 5pm. Mostly cloudy, with a high near 71. East wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday Night
Showers, mainly after 10pm. Low around 56. Breezy, with an east wind 11 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A chance of showers, mainly before noon. Cloudy, with a high near 69. Breezy, with a northeast wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Friday Night
Cloudy, with a low around 53. North northeast wind 8 to 14 mph.
Saturday
Mostly cloudy, with a high near 68. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 55. East northeast wind 7 to 11 mph. Chance of precipitation is 20%.
Sunday
A chance of showers. Mostly cloudy, with a high near 65. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54. East northeast wind 7 to 10 mph. Chance of precipitation is 50%.
Monday
A chance of showers, mainly before noon. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Agar SD
 45.02°N 100.29°W (Elev. 1621 ft)
Last Update:
10:21 pm MDT Sep 16, 2026
Forecast Valid:
11pm MDT Sep 16, 2026-6pm MDT Sep 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation