Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

Isolated severe thunderstorms are likely across parts of the Southeast/Deep South Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama. In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest Tuesday before impacting the Great Lakes Wednesday into Thanksgiving. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

50°F

10°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.91 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 25 Nov 3:35 am CST
Extended Forecast for

Sherman TX

Dense Fog Advisory November 25, 03:51am until November 25, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory November 25, 03:51am until November 25, 09:00am

    NOW until 9:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 53 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Patchy dense fog before 9am.  Otherwise, mostly sunny, with a high near 65. Northwest wind 5 to 10 mph.

    High: 65 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. North wind 5 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54. North wind 5 to 10 mph.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 57. Calm wind becoming south southeast around 5 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Calm wind becoming southeast around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 56. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, partly cloudy, with a steady temperature around 53. West northwest wind around 5 mph.
Tuesday
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 65. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 40. North wind 5 to 10 mph.
Wednesday
Sunny, with a high near 54. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 37. Calm wind.
Thanksgiving Day
Sunny, with a high near 57. Calm wind becoming south southeast around 5 mph.
Thursday Night
Partly cloudy, with a low around 40. Calm wind becoming southeast around 5 mph after midnight.
Friday
Mostly cloudy, with a high near 56. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 50. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 55.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman TX
 33.64°N 96.6°W (Elev. 732 ft)
2:31 am CST Nov 25, 2025
3am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
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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