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

Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Partly Cloudy

95°F

35°C

Humidity 39%
Wind Speed Vrbl 5 mph
Barometer 30.04 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 1 Sep 12:50 pm CDT
Extended Forecast for

2 Miles WNW Cartwright OK

Heat Advisory September 2, 01:00pm until September 2, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: A 10 percent chance of showers after 3pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 100. Southeast wind around 6 mph.

    High: 97 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southeast wind around 6 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 102. Southeast wind 5 to 8 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 78. South southeast wind around 9 mph.

    Low: 78 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 94. South southeast wind 8 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers after 3pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 100. Southeast wind around 6 mph.
Tonight
Mostly clear, with a low around 79. Southeast wind around 6 mph.
Wednesday
Sunny, with a high near 95. Heat index values as high as 102. Southeast wind 5 to 8 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 78. South southeast wind around 9 mph.
Thursday
Mostly sunny, with a high near 94. South southeast wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 78.
Friday
Mostly sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 78.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 79.
Labor Day
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Cartwright OK
 33.87°N 96.58°W
Last Update:
10:57 am CDT Sep 1, 2026
Forecast Valid:
1pm CDT Sep 1, 2026-6pm CDT Sep 7, 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