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

Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

35°F

2°C

Humidity 57%
Wind Speed N 5 mph
Barometer 30.54 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 10 Nov 12:15 am CST
Extended Forecast for

Southmayd TX

Freeze Warning November 10, 12:18am until November 10, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning November 10, 12:18am until November 10, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Overnight

    Low: 29 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 51. North northwest wind 5 to 10 mph becoming light in the afternoon.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 39. Light southwest wind becoming south 10 to 15 mph in the evening. Winds could gust as high as 20 mph.

    Low: 39 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 66. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. East southeast wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 29. North wind around 5 mph.
Monday
Sunny, with a high near 51. North northwest wind 5 to 10 mph becoming light in the afternoon.
Monday Night
Clear, with a low around 39. Light southwest wind becoming south 10 to 15 mph in the evening. Winds could gust as high as 20 mph.
Veterans Day
Sunny, with a high near 66. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 50. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 72. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 54. East southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
A 30 percent chance of showers. Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Southmayd TX
 33.62°N 96.71°W (Elev. 820 ft)
Last Update:
12:06 am CST Nov 10, 2025
Forecast Valid:
12am CST Nov 10, 2025-6pm CST Nov 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation