National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Overcast

58°F

14°C

Humidity 72%
Wind Speed W 6 mph
Barometer 29.84 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 18 Feb 5:35 am CST
Extended Forecast for

Whitesboro TX

Fire Weather Watch February 19, 10:00am until February 19, 07:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Today

    Today: Partly sunny, with a high near 74. West wind 5 to 10 mph becoming south in the afternoon.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. West wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. West wind 5 to 10 mph becoming north northeast after midnight.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63. North northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. East wind around 5 mph becoming west after midnight.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Sunny, with a high near 59. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 59 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. North wind around 10 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56. North wind 5 to 10 mph.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 74. West wind 5 to 10 mph becoming south in the afternoon.
Tonight
Mostly clear, with a low around 56. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 72. West wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 40. West wind 5 to 10 mph becoming north northeast after midnight.
Friday
Mostly sunny, with a high near 63. North northeast wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 44. East wind around 5 mph becoming west after midnight.
Saturday
A 20 percent chance of showers before noon. Sunny, with a high near 59. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 33. North wind around 10 mph.
Sunday
Mostly sunny, with a high near 56. North wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whitesboro TX
 33.66°N 96.9°W (Elev. 801 ft)
Last Update:
5:06 am CST Feb 18, 2026
Forecast Valid:
5am CST Feb 18, 2026-6pm CST Feb 24, 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