Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

Fair

73°F

23°C

Humidity 90%
Wind Speed NE 5 mph
Barometer 30.04 in (1016.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Aug 6:53 am CDT
Extended Forecast for

Clayton OK

Heat Advisory August 21, 12:00pm until August 21, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 104. Heat index values as high as 108. Calm wind becoming south around 5 mph.  Chance of precipitation is 60%.

    High: 104 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.

    Low: 75 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind becoming south around 5 mph in the afternoon.

    High: 102 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 101. Calm wind becoming southeast around 5 mph in the morning.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. Southeast wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 102. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 105 °F

    Hot

Detailed Forecast

Today
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 104. Heat index values as high as 108. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny and hot, with a high near 101. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph.
Monday
Mostly sunny and hot, with a high near 102. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 105. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. South wind around 5 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 99. Calm wind becoming east around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton OK
 34.59°N 95.36°W
7:26 am CDT Aug 21, 2026
7am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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