Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Muskogee-Davis Regional Airport (KMKO)

Lat: 35.66°NLon: 95.36°WElev: 607ft.

Fair

110°F

43°C

Humidity 17%
Wind Speed W 15 G 23 mph
Barometer 29.83 in (1009.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 19 Aug 3:53 pm CDT
Extended Forecast for

8 Miles E Onapa OK

Heat Advisory August 20, 01:00pm until August 20, 08:00pm
Extreme Heat Warning August 19, 04:47pm until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 04:47pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 108 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. East wind around 5 mph becoming calm  after midnight.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 109. Calm wind becoming north around 5 mph in the afternoon.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. North wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. East wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103. Calm wind becoming south around 5 mph.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 108. Heat index values as high as 113. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 78. East wind around 5 mph becoming calm after midnight.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 109. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly clear, with a low around 75. East wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 103. Calm wind becoming south around 5 mph.
Saturday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 103. Calm wind becoming south around 5 mph in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southeast wind around 5 mph.
Monday
Sunny and hot, with a high near 104. South wind around 10 mph.
Monday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 104. Southwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Onapa OK
 35.38°N 95.41°W
3:50 pm CDT Aug 19, 2026
4pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database