Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

Fair

109°F

43°C

Humidity 20%
Wind Speed SW 7 mph
Barometer 29.84 in (1009.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 19 Aug 3:53 pm CDT
Extended Forecast for

5 Miles NNE Darwin OK

Extreme Heat Warning August 20, 01:00pm until August 20, 08:00pm
Extreme Heat Warning August 19, 04:50pm until August 19, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 04:50pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 106 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 5 mph becoming calm  in the evening.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 105. Heat index values as high as 108. Calm wind becoming west around 5 mph.

    High: 105 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 104. Calm wind.

    High: 104 °F

    Hot

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 104. Calm wind becoming south around 5 mph.

    High: 104 °F

    Hot

  • Saturday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 106. Heat index values as high as 109. South wind around 5 mph.
Tonight
Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 105. Heat index values as high as 108. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 75. Calm wind.
Friday
Sunny and hot, with a high near 104. Calm wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Saturday
Sunny and hot, with a high near 104. Calm wind becoming south around 5 mph.
Saturday Night
Mostly clear, with a low around 75. Calm wind.
Sunday
Sunny and hot, with a high near 104. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. Calm wind becoming south around 5 mph.
Monday
Mostly sunny and hot, with a high near 104. South wind around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. South wind around 5 mph.
Tuesday
Sunny and hot, with a high near 104. Southwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Darwin OK
 34.32°N 95.74°W
3:50 pm CDT Aug 19, 2026
4pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database