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

Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fair

84°F

29°C

Humidity 67%
Wind Speed W 5 mph
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Aug 1:15 pm CDT
Extended Forecast for

Royse City TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind.

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 1pm and 4pm. Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Friday Night

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

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. South wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Saturday Night

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

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South southwest wind around 5 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind.
Tonight
Mostly clear, with a low around 73. Calm wind.
Thursday
A slight chance of showers and thunderstorms between 1pm and 4pm. Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Friday
Sunny, with a high near 97. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 76. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 96. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 76. South southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South southwest wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Royse City TX
 32.99°N 96.32°W (Elev. 548 ft)
Last Update:
12:24 pm CDT Aug 13, 2025
Forecast Valid:
1pm CDT Aug 13, 2025-6pm CDT Aug 19, 2025
 
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