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Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fair

29°C

85°F

Humidity 68%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 22 Jul 2:55 am CDT
Extended Forecast for

Lavon TX

Heat Advisory July 22, 08:00pm until July 23, 08:00pm
Extreme Heat Warning July 22, 03:13am until July 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning July 22, 03:13am until July 22, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Overnight

    Low: 27 °C

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 37. Heat index values as high as 44. Northeast wind 10 to 15 km/h.

    High: 37 °C

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 24. East northeast wind 10 to 15 km/h.

    Low: 24 °C

    Clear

  • Thursday

    Thursday: Sunny, with a high near 35. Heat index values as high as 39. East wind around 15 km/h.

    High: 35 °C

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 24. East wind 10 to 15 km/h.

    Low: 24 °C

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 36. Southeast wind 10 to 15 km/h.

    High: 36 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. South southeast wind around 15 km/h.

    Low: 26 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 37. South wind around 15 km/h.

    High: 37 °C

    Hot

Detailed Forecast

Overnight
Clear, with a low around 27. Calm wind.
Wednesday
Sunny and hot, with a high near 37. Heat index values as high as 44. Northeast wind 10 to 15 km/h.
Wednesday Night
Clear, with a low around 24. East northeast wind 10 to 15 km/h.
Thursday
Sunny, with a high near 35. Heat index values as high as 39. East wind around 15 km/h.
Thursday Night
Clear, with a low around 24. East wind 10 to 15 km/h.
Friday
Mostly sunny, with a high near 36. Southeast wind 10 to 15 km/h.
Friday Night
Partly cloudy, with a low around 26. South southeast wind around 15 km/h.
Saturday
Mostly sunny and hot, with a high near 37. South wind around 15 km/h.
Saturday Night
Mostly clear, with a low around 26. South wind 15 to 20 km/h.
Sunday
Sunny and hot, with a high near 37.
Sunday Night
Clear, with a low around 26.
Monday
Sunny and hot, with a high near 37.
Monday Night
Clear, with a low around 27.
Tuesday
Sunny and hot, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lavon TX
 33.03°N 96.43°W (Elev. 525 m)
Last Update:
1:26 am CDT Jul 22, 2026
Forecast Valid:
3am CDT Jul 22, 2026-6pm CDT Jul 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation