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Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

16 Miles NW Agar SD

Heat Advisory July 25, 12:00pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 95. Heat index values as high as 98. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 95 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 5pm. Patchy smoke. Mostly sunny and hot, with a high near 103. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 103 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 74. South southeast wind 9 to 13 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny and hot, with a high near 101. South wind 8 to 10 mph becoming north northwest in the afternoon.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. North northeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 99. East northeast wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 69. Northeast wind 7 to 9 mph becoming west northwest in the evening. Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 96. East northeast wind 8 to 11 mph.

    High: 96 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 95. Heat index values as high as 98. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 69. South wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 22 mph.
Saturday
A slight chance of showers and thunderstorms after 5pm. Patchy smoke. Mostly sunny and hot, with a high near 103. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 74. South southeast wind 9 to 13 mph. Chance of precipitation is 30%.
Sunday
Sunny and hot, with a high near 101. South wind 8 to 10 mph becoming north northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 71. North northeast wind 5 to 10 mph.
Monday
Mostly sunny and hot, with a high near 99. East northeast wind 5 to 10 mph.
Monday Night
A slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 69. Northeast wind 7 to 9 mph becoming west northwest in the evening. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 96. East northeast wind 8 to 11 mph.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Wednesday
Mostly sunny and hot, with a high near 98.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 69. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93. Chance of precipitation is 20%.
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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:
11:36 am MDT Jul 24, 2026
Forecast Valid:
12pm MDT Jul 24, 2026-6pm MDT Jul 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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