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

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fair

81°F

27°C

Humidity 60%
Wind Speed E 6 mph
Barometer 30.02 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 28 Aug 1:15 am CDT
Extended Forecast for

Lavon TXSimilar City Names

  • Overnight

    Overnight: Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Patchy smoke after 3am. Mostly clear, with a low around 74. East southeast wind around 5 mph.

    Low: 74 °F

    Mostly Clear
    then Patchy
    Smoke

  • Saturday

    Saturday: Sunny and hot, with a high near 99. East southeast wind around 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

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

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Patchy smoke after 3am. Mostly clear, with a low around 74. East southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. East southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 75. Southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 98. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lavon TXSimilar City Names
 33.03°N 96.43°W (Elev. 525 ft)
Last Update:
12:01 am CDT Aug 28, 2026
Forecast Valid:
1am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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