National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Greenville / Majors (KGVT)

Lat: 33.07°NLon: 96.07°WElev: 535ft.

Fair

95°F

35°C

Humidity 34%
Wind Speed E 9 mph
Barometer 29.92 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 27 Aug 7:10 pm CDT
Extended Forecast for

Lone Oak TX

Heat Advisory August 27, 07:38pm until August 27, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 27, 07:38pm until August 27, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 103. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 74. East northeast wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Heat index values as high as 103. East southeast wind around 5 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. East southeast wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. South wind around 5 mph.

    High: 99 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 73. East northeast wind 5 to 10 mph becoming light and variable in the evening.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 103. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
Clear, with a low around 74. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 100. Heat index values as high as 103. East southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 75. East southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.
Sunday Night
Clear, with a low around 75. Southeast wind around 5 mph.
Monday
Sunny and hot, with a high near 99. South wind around 5 mph.
Monday Night
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lone Oak TX
 32.99°N 95.94°W (Elev. 531 ft)
Last Update:
6:06 pm CDT Aug 27, 2026
Forecast Valid:
7pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation