Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

Fair

84°F

29°C

Humidity 67%
Wind Speed Calm
Barometer 30.03 in (1015.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 17 Aug 10:53 pm CDT
Extended Forecast for

6 Miles NNW Wilburton OK

Extreme Heat Warning August 18, 01:00pm until August 19, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 103. Heat index values as high as 108. Southeast wind around 5 mph becoming west in the afternoon.

    High: 103 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 106. Southwest wind 5 to 10 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 99. South wind around 5 mph becoming northwest in the afternoon.

    High: 99 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. East wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 98. East wind around 5 mph becoming north in the afternoon.

    High: 98 °F

    Sunny

  • Friday Night

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

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 103. Heat index values as high as 108. Southeast wind around 5 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 99. South wind around 5 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 74. East wind around 5 mph.
Friday
Sunny, with a high near 98. East wind around 5 mph becoming north in the afternoon.
Friday Night
Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 99. Southeast wind around 5 mph becoming northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 75. North wind around 5 mph becoming southeast in the evening.
Sunday
Mostly sunny, with a high near 99. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 76. South wind around 5 mph.
Monday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Wilburton OK
 35°N 95.33°W
10:50 pm CDT Aug 17, 2026
11pm CDT Aug 17, 2026-6pm CDT Aug 24, 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