Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

17°F

-8°C

Humidity 65%
Wind Speed SW 5 mph
Barometer 30.40 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 18 Jan 3:35 am CST
Extended Forecast for

Tioga TX

  • Overnight

    Overnight: Clear, with a low around 18. Calm wind.

    Low: 18 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Wind chill values between 14 and 24 early. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 45. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Northeast wind 5 to 10 mph becoming light  after midnight.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Calm wind becoming south around 5 mph in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 41. South wind around 5 mph.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 56. South wind around 5 mph becoming north northeast in the afternoon.

    High: 56 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. North northeast wind around 5 mph.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 18. Calm wind.
Sunday
Sunny, with a high near 59. Wind chill values between 14 and 24 early. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 30. Calm wind becoming north northeast around 5 mph after midnight.
M.L.King Day
Mostly sunny, with a high near 45. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 25. Northeast wind 5 to 10 mph becoming light after midnight.
Tuesday
Mostly sunny, with a high near 49. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. South wind around 5 mph.
Wednesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 56. South wind around 5 mph becoming north northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 36. North northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Tioga TX
 33.48°N 96.92°W (Elev. 699 ft)
11:21 pm CST Jan 17, 2026
3am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database