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.

A Few Clouds

104°F

40°C

Humidity 24%
Wind Speed E 9 mph
Barometer 29.99 in (1013.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 17 Aug 5:53 pm CDT
Extended Forecast for

4 Miles W Fort Sill OK

Heat Advisory August 18, 11:00am until August 18, 08:00pm
Heat Advisory August 17, 06:08pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory August 17, 06:08pm until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 74 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 106. Light and variable wind becoming west southwest 5 to 10 mph in the morning.

    High: 106 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 77. South wind 7 to 10 mph.

    Low: 77 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 107. Southwest wind 7 to 10 mph.

    High: 107 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 7 to 9 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 74. Southeast wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Sunny and hot, with a high near 106. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Tuesday Night
Clear, with a low around 77. South wind 7 to 10 mph.
Wednesday
Sunny and hot, with a high near 107. Southwest wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 7 to 9 mph.
Thursday
Mostly sunny and hot, with a high near 103.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny and hot, with a high near 103.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 103.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 104.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 106.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Fort Sill OK
 34.65°N 98.49°W
1:32 pm CDT Aug 17, 2026
6pm 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