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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

43°F

6°C

Humidity 71%
Wind Speed SW 7 mph
Barometer 30.03 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 1 Jan 7:50 am CST
Extended Forecast for

Whitesboro TX

  • New Year's Day

    New Year's Day: Increasing clouds, with a high near 65. South southwest wind around 5 mph.

    High: 65 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of sprinkles after 9pm. Cloudy, then gradual clearing toward daybreak, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Slight Chance
    Sprinkles

  • Friday

    Friday: Sunny, with a high near 68. South southwest wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. North wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63. North wind 5 to 10 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. North wind around 5 mph becoming calm.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. South wind 5 to 10 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. South wind around 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

New Year's Day
Increasing clouds, with a high near 65. South southwest wind around 5 mph.
Tonight
A slight chance of sprinkles after 9pm. Cloudy, then gradual clearing toward daybreak, with a low around 50. South wind around 5 mph.
Friday
Sunny, with a high near 68. South southwest wind 5 to 10 mph becoming north northwest in the afternoon.
Friday Night
Mostly clear, with a low around 42. North wind around 5 mph.
Saturday
Sunny, with a high near 63. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 38. North wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 63. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 48. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 71. South wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whitesboro TX
 33.66°N 96.9°W (Elev. 801 ft)
Last Update:
5:06 am CST Jan 1, 2026
Forecast Valid:
8am CST Jan 1, 2026-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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