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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

63°F

17°C

Humidity 49%
Wind Speed Vrbl 5 mph
Barometer 29.73 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 2 Jan 10:50 am CST
Extended Forecast for

Grayson County Airport TX

  • Today

    Today: Sunny, with a high near 69. North northwest wind around 5 mph becoming calm in the afternoon.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Light north wind increasing to 5 to 10 mph in the evening.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. North wind 10 to 15 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. North wind around 5 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Clear

  • Sunday

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

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. South southeast wind around 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. South southwest wind 10 to 15 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 74. Southwest wind 5 to 10 mph.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 69. North northwest wind around 5 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 45. Light north wind increasing to 5 to 10 mph in the evening.
Saturday
Sunny, with a high near 61. North wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 37. North wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 63. Light and variable wind becoming south 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 48. South southeast wind around 10 mph.
Monday
Mostly sunny, with a high near 71. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 52. South southwest wind 10 to 15 mph.
Tuesday
Sunny, with a high near 74. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Thursday
A 30 percent chance of showers. Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grayson County Airport TX
 33.71°N 96.66°W (Elev. 797 ft)
Last Update:
11:21 am CST Jan 2, 2026
Forecast Valid:
11am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
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