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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

93°F

34°C

Humidity 32%
Wind Speed E 6 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 27 Aug 7:53 pm CDT
Extended Forecast for

Saint Paul TX

  • Tonight

    Tonight: Mostly clear, with a low around 76. East northeast wind 5 to 15 mph becoming south southeast after midnight.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 104. Northeast wind around 5 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. East wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Heat index values as high as 104. South southeast wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

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

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 98. South wind around 10 mph.

    High: 98 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South southeast wind around 10 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 76. East northeast wind 5 to 15 mph becoming south southeast after midnight.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 104. Northeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 77. East wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 104. South southeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 99. South wind around 10 mph.
Sunday Night
Clear, with a low around 78. South southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 98. South wind around 10 mph.
Monday Night
Mostly clear, with a low around 78. South southeast wind around 10 mph.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Clear, with a low around 78.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Clear, with a low around 78.
Thursday
Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Paul TX
 33.05°N 96.54°W (Elev. 499 ft)
Last Update:
6:06 pm CDT Aug 27, 2026
Forecast Valid:
8pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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