Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

Fair

79°F

26°C

Humidity 72%
Wind Speed Calm
Barometer 29.92 in (1011.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 6 Sep 1:53 am CDT
Extended Forecast for

Hartshorne OK

Heat Advisory September 6, 12:00pm until September 6, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Isolated showers and thunderstorms after 1pm.  Increasing clouds and hot, with a high near 104. Heat index values as high as 109. Calm wind becoming east around 5 mph.  Chance of precipitation is 20%.

    High: 104 °F

    Sunny then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Labor Day

    Labor Day: Isolated showers and thunderstorms after 1pm.  Sunny and hot, with a high near 103. Heat index values as high as 109. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 103 °F

    Sunny then
    Isolated
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. Calm wind becoming south around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Calm wind becoming south around 5 mph in the morning.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Sunday
Isolated showers and thunderstorms after 1pm. Increasing clouds and hot, with a high near 104. Heat index values as high as 109. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 76. Calm wind.
Labor Day
Isolated showers and thunderstorms after 1pm. Sunny and hot, with a high near 103. Heat index values as high as 109. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 103. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm.
Wednesday
Sunny and hot, with a high near 102. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 100. South wind around 5 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 75. Southeast wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 99. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 74. South wind around 5 mph.
Saturday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Hartshorne OK
 34.84°N 95.55°W
1:50 am CDT Sep 6, 2026
2am CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
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Additional Resources

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