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

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Mostly Cloudy

75°F

24°C

Humidity 77%
Wind Speed E 9 mph
Barometer 29.96 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 21 May 3:35 pm CDT
Extended Forecast for

Lavon TX

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Cloudy, with a steady temperature around 73. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Patchy fog after 4am. Low around 66. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind becoming west southwest around 5 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. East southeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 81 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 80. Northeast wind around 5 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Slight Chance
    T-storms

  • Memorial Day

    Memorial Day: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. East northeast wind around 5 mph.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Cloudy, with a steady temperature around 73. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Patchy fog after 4am. Low around 66. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind becoming west southwest around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. East southeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Calm wind becoming south southeast around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 80. Northeast wind around 5 mph. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.
Memorial Day
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. East northeast wind around 5 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
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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 ft)
Last Update:
1:27 pm CDT May 21, 2026
Forecast Valid:
3pm CDT May 21, 2026-6pm CDT May 27, 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