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Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Muskogee-Davis Regional Airport (KMKO)

Lat: 35.66°NLon: 95.36°WElev: 607ft.

Fair

108°F

42°C

Humidity 18%
Wind Speed NA
Barometer 29.89 in (1011.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 18 Aug 5:53 pm CDT
Extended Forecast for

4 Miles NNE Summit OK

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

    NOW until 9:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 79 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 106. Heat index values as high as 109. Southwest wind around 10 mph.

    High: 106 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming north after midnight.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 107. North wind around 5 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm after midnight.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. Calm wind becoming east around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. East wind around 5 mph becoming southeast after midnight.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. Southeast wind around 5 mph becoming northeast in the afternoon.

    High: 101 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 79. Southeast wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 106. Heat index values as high as 109. Southwest wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming north after midnight.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 107. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 101. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. East wind around 5 mph becoming southeast after midnight.
Saturday
Sunny and hot, with a high near 101. Southeast wind around 5 mph becoming northeast in the afternoon.
Saturday Night
Mostly clear, with a low around 74. East wind around 5 mph.
Sunday
Sunny and hot, with a high near 102. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 77. South wind around 10 mph.
Monday
Sunny and hot, with a high near 104. South wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76. South wind 5 to 10 mph.
Tuesday
Mostly sunny and hot, with a high near 102. South wind 5 to 10 mph becoming northeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Summit OK
 35.72°N 95.41°W
Last Update:
2:50 pm CDT Aug 18, 2026
Forecast Valid:
6pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation