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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Mostly Cloudy

91°F

33°C

Humidity 51%
Wind Speed S 9 mph
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 24 Jul 7:35 pm CDT
Extended Forecast for

Sachse TX

  • Tonight

    Tonight: Partly cloudy, with a low around 79. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 98. Heat index values as high as 107. South southwest wind around 10 mph.

    High: 98 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 108. South southwest wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. South southwest wind around 10 mph.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. South southwest wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. South southeast wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 79. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 98. Heat index values as high as 107. South southwest wind around 10 mph.
Saturday Night
Clear, with a low around 79. South wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 108. South southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 101. South southwest wind around 10 mph.
Monday Night
Clear, with a low around 79. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 101. South southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 80. South southeast wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 102.
Wednesday Night
Mostly clear, with a low around 81.
Thursday
Mostly sunny and hot, with a high near 102.
Thursday Night
Mostly clear, with a low around 81.
Friday
Mostly sunny and hot, with a high near 102.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sachse TX
 32.96°N 96.59°W (Elev. 515 ft)
Last Update:
6:12 pm CDT Jul 24, 2026
Forecast Valid:
7pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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