National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

70°F

21°C

Humidity 78%
Wind Speed S 12 mph
Barometer 30.06 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Jul 2:55 am CDT
Extended Forecast for

19 Miles S Seneca SD

Heat Advisory July 12, 03:13am until July 14, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 12, 03:13am until July 14, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Overnight

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Breezy, with a south wind 15 to 21 mph, with gusts as high as 29 mph.

    High: 99 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 30 mph.

    Low: 72 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny and hot, with a high near 100. Breezy, with a south wind 20 to 25 mph, with gusts as high as 34 mph.

    High: 100 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 71. Breezy, with a south wind 18 to 24 mph, with gusts as high as 33 mph.

    Low: 71 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. South wind 13 to 15 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South southeast wind 14 to 17 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. South southeast wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 101 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 68. South wind around 9 mph.
Sunday
Sunny and hot, with a high near 99. Breezy, with a south wind 15 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 72. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 30 mph.
Monday
Sunny and hot, with a high near 100. Breezy, with a south wind 20 to 25 mph, with gusts as high as 34 mph.
Monday Night
Clear, with a low around 71. Breezy, with a south wind 18 to 24 mph, with gusts as high as 33 mph.
Tuesday
Sunny and hot, with a high near 102. South wind 13 to 15 mph.
Tuesday Night
Mostly clear, with a low around 70. South southeast wind 14 to 17 mph.
Wednesday
Sunny and hot, with a high near 101. South southeast wind 11 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 72. Breezy, with a south southeast wind 18 to 21 mph.
Thursday
Sunny and hot, with a high near 102. Breezy.
Thursday Night
Partly cloudy, with a low around 72. Breezy.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 70.
Saturday
Mostly sunny and hot, with a high near 98.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles S Seneca SD
 44.8°N 99.56°W (Elev. 1821 ft)
Last Update:
2:36 am CDT Jul 12, 2026
Forecast Valid:
3am CDT Jul 12, 2026-6pm CDT Jul 18, 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