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

81°F

27°C

Humidity 66%
Wind Speed SW 15 mph
Barometer 29.67 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 5 May 2:50 pm CDT
Extended Forecast for

Sherman TXSimilar City Names

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 4am. Mostly cloudy, with a low around 55. Northwest wind 10 to 15 mph becoming north northeast after midnight. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 71. North wind around 10 mph.

    High: 71 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. North northeast wind around 10 mph.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Light south wind becoming south southwest 5 to 10 mph in the morning.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South wind 5 to 10 mph becoming light after midnight.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. South southeast wind around 10 mph.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 7pm and 4am. Mostly cloudy, with a low around 55. Northwest wind 10 to 15 mph becoming north northeast after midnight. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 71. North wind around 10 mph.
Wednesday Night
Mostly cloudy, with a low around 51. North northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 71. North northeast wind around 10 mph.
Thursday Night
Mostly clear, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Light south wind becoming south southwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 61. South wind 5 to 10 mph becoming light after midnight.
Saturday
Sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 68. South southeast wind around 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
Sunny, with a high near 80.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman TXSimilar City Names
 33.62°N 96.6°W (Elev. 699 ft)
Last Update:
3:32 pm CDT May 5, 2026
Forecast Valid:
5pm CDT May 5, 2026-6pm CDT May 12, 2026
 
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Additional Resources

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Chance of Precipitation