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Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Heavy Rain Fog/Mist Thunderstorm in Vicinity

24°C

75°F

Humidity 91%
Wind Speed W 20 km/h
Barometer 29.99 in
Dewpoint 22°C (72°F)
Visibility 3.22 km
Last update 12 Jul 7:35 pm CDT
Extended Forecast for

2 Miles E Denison TX

Flood Watch July 12, 07:46pm until July 13, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 12, 07:46pm until July 13, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • Tonight

    Low: 22 °C

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 29. South wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.

    High: 29 °C

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind 5 to 10 km/h.

    Low: 22 °C

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 31. Heat index values as high as 37. South southwest wind around 10 km/h. New rainfall amounts between 2.5 and 5 mm possible.

    High: 31 °C

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. South wind 5 to 10 km/h.

    Low: 23 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. South wind 10 to 15 km/h.

    High: 33 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. South wind around 10 km/h.

    Low: 24 °C

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. South wind 10 to 15 km/h.

    High: 34 °C

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely. Mostly cloudy, with a low around 22. South southeast wind around 10 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Sunday
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 29. South wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind 5 to 10 km/h.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 31. Heat index values as high as 37. South southwest wind around 10 km/h. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
Partly cloudy, with a low around 23. South wind 5 to 10 km/h.
Tuesday
Mostly sunny, with a high near 33. South wind 10 to 15 km/h.
Tuesday Night
Mostly clear, with a low around 24. South wind around 10 km/h.
Wednesday
Mostly sunny, with a high near 34. South wind 10 to 15 km/h.
Wednesday Night
Mostly clear, with a low around 24. South wind around 10 km/h.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Denison TX
 33.75°N 96.55°W (Elev. 758 m)
Last Update:
5:26 pm CDT Jul 12, 2025
Forecast Valid:
7pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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