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

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

84°F

29°C

Humidity 58%
Wind Speed SW 12 mph
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Sep 9:50 am CDT
Extended Forecast for

Howe TX

  • Today

    Today: Sunny, with a high near 97. Heat index values as high as 100. South wind around 10 mph.

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. South southeast wind around 10 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 104. South wind around 10 mph.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Southeast wind around 5 mph becoming northwest in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. North northeast wind 5 to 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. North northeast wind around 10 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 65. North northeast wind around 10 mph.

    Low: 65 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 88. East northeast wind 5 to 10 mph.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 97. Heat index values as high as 100. South wind around 10 mph.
Tonight
Mostly clear, with a low around 75. South southeast wind around 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 104. South wind around 10 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Southeast wind around 5 mph becoming northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 69. North northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 88. North northeast wind around 10 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 65. North northeast wind around 10 mph.
Wednesday
Sunny, with a high near 88. East northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Howe TX
 33.5°N 96.63°W (Elev. 814 ft)
Last Update:
6:06 am CDT Sep 19, 2026
Forecast Valid:
10am CDT Sep 19, 2026-6pm CDT Sep 25, 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