Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

A Few Clouds

74°F

23°C

Humidity 98%
Wind Speed E 3 mph
Barometer 30.03 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 15 Jul 1:35 am CDT
Extended Forecast for

2 Miles E Denison TX

  • Overnight

    Overnight: Partly cloudy, with a low around 74. Calm wind becoming south around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 92. Heat index values as high as 102. South southwest wind 5 to 10 mph.

    High: 92 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 102. South wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

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

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. South wind around 5 mph.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. South wind around 5 mph becoming calm  after midnight.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Calm wind becoming south around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 102. South southwest wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South wind around 5 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 102. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 96. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 74. South southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Mostly sunny, with a high near 98.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Denison TX
 33.75°N 96.55°W (Elev. 758 ft)
12:24 am CDT Jul 15, 2025
1am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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