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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed S 6 mph
Barometer 29.88 in (1010.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 13 Aug 12:53 am CDT
Extended Forecast for

Alderson OK

Heat Advisory August 13, 01:04am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 13, 01:04am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Overnight

    Low: 81 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 108. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 80. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. Heat index values as high as 106. South wind around 10 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. South wind 5 to 10 mph.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 104. Southwest wind around 5 mph.

    High: 104 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 81. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 108. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 80. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 101. Heat index values as high as 106. South wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 78. South wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 102. South wind 5 to 10 mph.
Saturday Night
Clear, with a low around 78. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 104. Southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Monday
Sunny and hot, with a high near 104. West wind around 5 mph.
Monday Night
Mostly clear, with a low around 78. East wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 103. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 79. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 102. South wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alderson OK
 34.91°N 95.69°W
Last Update:
12:50 am CDT Aug 13, 2026
Forecast Valid:
1am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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