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

Prolonged, Intense Heat Wave; Excessive Rainfall in the Southern Rockies and Central Plains into the Upper Midwest

Extremely dangerous heat persists through Thursday with widespread daily temperature records. Monsoonal moisture continues to bring heavy rain and flash flooding to New Mexico and west Texas through Thursday, especially in the burn scar areas. Thunderstorms and heavy to excessive rain will continue to bring a flash flood threat from the Central Plains into the Upper Midwest. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

83°F

28°C

Humidity 67%
Wind Speed SE 14 mph
Barometer 30.16 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 24 Jun 10:35 pm CDT
Extended Forecast for

2 Miles SE Denison TX

  • Tonight

    Tonight: Mostly clear, with a low around 74. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Heat index values as high as 97. South southeast wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 92. Heat index values as high as 100. South wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. South wind 5 to 10 mph.

    High: 94 °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 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 91. Heat index values as high as 97. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 92. Heat index values as high as 100. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Friday
Sunny, with a high near 94. 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 77. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 76.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Denison TX
 33.73°N 96.55°W (Elev. 663 ft)
Last Update:
9:33 pm CDT Jun 24, 2025
Forecast Valid:
10pm CDT Jun 24, 2025-6pm CDT Jul 1, 2025
 
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Additional Resources

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