Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fair

81°F

27°C

Humidity 69%
Wind Speed S 5 mph
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Aug 9:35 am CDT
Extended Forecast for

Wylie TX

  • Today

    Today: Sunny and hot, with a high near 101. Heat index values as high as 104. South wind around 10 mph.

    High: 101 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South southeast wind around 10 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. South wind around 10 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. South southeast wind around 10 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. South wind around 10 mph.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. Southeast wind around 10 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95. South wind around 5 mph.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 101. Heat index values as high as 104. South wind around 10 mph.
Tonight
Mostly clear, with a low around 79. South southeast wind around 10 mph.
Wednesday
Sunny and hot, with a high near 99. South wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 80. South southeast wind around 10 mph.
Thursday
Sunny, with a high near 96. South wind around 10 mph.
Thursday Night
Mostly clear, with a low around 79. Southeast wind around 10 mph.
Friday
Sunny, with a high near 98. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 95. South wind around 5 mph.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Wylie TX
 33.03°N 96.51°W (Elev. 509 ft)
6:06 am CDT Aug 4, 2026
9am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
 
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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