Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Lawton, Lawton Municipal Airport (KLAW)

Lat: 34.56°NLon: 98.42°WElev: 1109ft.

Fair

102°F

39°C

Humidity 27%
Wind Speed NA
Barometer 30.03 in (1015.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 17 Aug 3:53 pm CDT
Extended Forecast for

Fort Sill OK

Heat Advisory August 18, 11:00am until August 18, 08:00pm
Heat Advisory August 17, 04:44pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 17, 04:44pm until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 103 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly clear, with a low around 75. East southeast wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 75 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 108. Light and variable wind becoming west southwest 5 to 10 mph in the morning.

    High: 108 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78. South wind 7 to 10 mph.

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 108. South southwest wind 7 to 10 mph.

    High: 108 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 104.

    High: 104 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 103. East northeast wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 75. East southeast wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Sunny and hot, with a high near 108. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Tuesday Night
Clear, with a low around 78. South wind 7 to 10 mph.
Wednesday
Sunny and hot, with a high near 108. South southwest wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Mostly sunny and hot, with a high near 104.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny and hot, with a high near 105.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 105.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 105.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny and hot, with a high near 107.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Sill OK
 34.67°N 98.41°W
1:32 pm CDT Aug 17, 2026
4pm CDT Aug 17, 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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