Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Okmulgee, Okmulgee Municipal Airport (KOKM)

Lat: 35.67°NLon: 95.95°WElev: 722ft.

Fair

78°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Aug 9:15 pm CDT
Extended Forecast for

6 Miles WSW Mounds OK

Extreme Heat Warning August 18, 01:00pm until August 19, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Heat index values as high as 108. Southeast wind around 5 mph becoming southwest in the afternoon.

    High: 105 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 105. Heat index values as high as 108. Southwest wind around 10 mph.

    High: 105 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming south after midnight.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 99. Northeast wind around 5 mph.

    High: 99 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 99. Calm wind becoming east around 5 mph in the afternoon.

    High: 99 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. East wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 73. Calm wind.
Tuesday
Sunny and hot, with a high near 105. Heat index values as high as 108. Southeast wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 105. Heat index values as high as 108. Southwest wind around 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 99. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph.
Friday
Sunny, with a high near 99. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74. East wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 100. East wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers. Mostly sunny and hot, with a high near 103. South wind 5 to 10 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Mounds OK
 35.83°N 96.13°W
8:51 pm CDT Aug 17, 2026
9pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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