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Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail. Read More >

Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Mostly Cloudy

93°F

34°C

Humidity 53%
Wind Speed S 9 mph
Barometer 29.89 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 16 Aug 3:35 pm CDT
Extended Forecast for

Lavon TX

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 92. Heat index values as high as 107. South wind around 15 mph, with gusts as high as 20 mph.

    Slight Chance
    T-storms

    High: 92 °F

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 77. South wind 10 to 15 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Chance
    T-storms

    Low: 77 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 92. Heat index values as high as 109. South southwest wind 10 to 15 mph.

    Chance
    T-storms

    High: 92 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 78. South southeast wind around 5 mph.

    Slight Chance
    T-storms

    Low: 78 °F

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 94. South wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 94 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 76. South wind 5 to 10 mph.

    Partly Cloudy

    Low: 76 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 97. South wind 5 to 10 mph becoming west southwest in the afternoon.

    Mostly Sunny

    High: 97 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 78. South wind around 5 mph.

    Partly Cloudy

    Low: 78 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 98. South wind around 5 mph.

    Slight Chance
    T-storms

    High: 98 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Heat index values as high as 107. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 77. South wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 92. Heat index values as high as 109. South southwest wind 10 to 15 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South southeast wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 76. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 97. South wind 5 to 10 mph becoming west southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 78. South wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny, with a high near 95.
Click Map For Forecast
Point Forecast:
Lavon TX
 33.03°N 96.46°W (Elev. 495 ft)
3:07 pm CDT Aug 16, 2017
3pm CDT Aug 16, 2017-6pm CDT Aug 22, 2017
 
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