Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

91°F

33°C

Humidity 46%
Wind Speed S 12 mph
Barometer 29.94 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 1 Jul 6:50 pm CDT
Extended Forecast for

Howe TX

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southeast wind 5 to 15 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 93. Heat index values as high as 100. South wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. South southeast wind around 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. Heat index values as high as 101. South southeast wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77. Southeast wind around 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Independence Day

    Independence Day: Mostly sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. South wind around 5 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Southeast wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South southeast wind 5 to 15 mph.
Thursday
Mostly sunny, with a high near 93. Heat index values as high as 100. South wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 76. South southeast wind around 10 mph.
Friday
Mostly sunny, with a high near 94. Heat index values as high as 101. South southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 77. Southeast wind around 10 mph.
Independence Day
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 76. Southeast wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Howe TX
 33.5°N 96.63°W (Elev. 814 ft)
6:06 pm CDT Jul 1, 2026
7pm CDT Jul 1, 2026-6pm CDT Jul 8, 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