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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

A Few Clouds

101°F

38°C

Humidity 29%
Wind Speed Vrbl 5 mph
Barometer 30.00 in (1014.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 15 Sep 3:53 pm CDT
Extended Forecast for

Clayton OK

Heat Advisory until September 15, 07:00pm
Heat Advisory September 16, 12:00pm until September 16, 07:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory until September 15, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 101 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming south around 5 mph in the morning.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. South wind around 5 mph becoming calm.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. Heat index values as high as 105. South wind around 10 mph.
Tonight
Mostly clear, with a low around 76. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. South wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 100. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 99. Calm wind becoming south around 5 mph in the morning.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Calm wind becoming north around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton OK
 34.59°N 95.36°W
Last Update:
2:50 pm CDT Sep 15, 2026
Forecast Valid:
4pm CDT Sep 15, 2026-6pm CDT Sep 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation