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

Severe Weather Threat and Extreme Temperatures Impacting Portions of the Southern U.S

Strong to severe thunderstorms are expected to develop from central Texas into the Ohio Valley and Great Lakes Wednesday. Areas who will see the greatest chances for damaging hail and winds will be from north Texas to the Ozarks. Parts of south Texas and Florida will experience dangerous to extreme heat over the next several days. Dangerous heat stress may continue into early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Overcast

76°F

24°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.84 in
Dewpoint 76°F (24°C)
Visibility NA
Heat Index75°F (24°C)
Last update 22 May 7:15 am CDT
Extended Forecast for

Rowlett TX

Flood Watch May 22, 10:00am until May 24, 01:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Showers and thunderstorms likely, mainly after 1pm. Some of the storms could be severe and produce heavy rainfall. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 90. Heat index values as high as 98. South wind 10 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

    High: 90 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 72. East wind 5 to 10 mph becoming south after midnight. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    Severe
    Thunderstorms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 93. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. South wind 5 to 10 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. South southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 96. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 96 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 1pm. Some of the storms could be severe and produce heavy rainfall. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 90. Heat index values as high as 98. South wind 10 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 72. East wind 5 to 10 mph becoming south after midnight. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. South wind around 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 93. South southwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. South wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. South southeast wind around 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 96. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 74.
Memorial Day
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Rowlett TX
 32.92°N 96.54°W (Elev. 449 ft)
Last Update:
5:15 am CDT May 22, 2024
Forecast Valid:
7am CDT May 22, 2024-6pm CDT May 28, 2024
 
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