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

83°F

28°C

Humidity 70%
Wind Speed Calm
Barometer 30.04 in (1015.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 17 Aug 11:53 pm CDT
Extended Forecast for

Savanna OK

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

    Overnight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 106. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 106 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 82. South wind around 5 mph.

    Low: 82 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 107. Heat index values as high as 110. Southwest wind 5 to 10 mph.

    High: 107 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. South wind around 5 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 103. Calm wind becoming southwest around 5 mph.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Northeast wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 102. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 75. Calm wind.
Tuesday
Sunny and hot, with a high near 106. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 82. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 107. Heat index values as high as 110. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 80. South wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 103. Calm wind becoming southwest around 5 mph.
Thursday Night
Mostly clear, with a low around 76. Northeast wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 102. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 76. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 102. Calm wind becoming south around 5 mph.
Saturday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 104. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 80. Southeast wind around 5 mph.
Monday
Sunny and hot, with a high near 104. Southwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Savanna OK
 34.84°N 95.85°W
11:50 pm CDT Aug 17, 2026
12am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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