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

72°F

22°C

Humidity 98%
Wind Speed E 3 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 20 Jun 2:55 am CDT
Extended Forecast for

2 Miles E Denison TX

  • Overnight

    Overnight: Partly cloudy, with a low around 71. Calm wind becoming east around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 88. Southeast wind around 5 mph. Chance of precipitation is 20%.

    High: 88 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Heat index values as high as 105. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. South wind 10 to 15 mph.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 75 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89. South southeast wind around 5 mph becoming southwest in the morning.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. East wind around 5 mph becoming south southeast after midnight. Chance of precipitation is 60%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 71. Calm wind becoming east around 5 mph.
Saturday
A slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 88. Southeast wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 93. Heat index values as high as 105. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. South wind 10 to 15 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89. South southeast wind around 5 mph becoming southwest in the morning.
Tuesday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. East wind around 5 mph becoming south southeast after midnight. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Denison TX
 33.75°N 96.55°W (Elev. 758 ft)
Last Update:
1:26 am CDT Jun 20, 2026
Forecast Valid:
3am CDT Jun 20, 2026-6pm CDT Jun 26, 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