Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

65°F

18°C

Humidity 90%
Wind Speed SE 12 mph
Barometer 29.84 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 17 Nov 1:15 am CST
Extended Forecast for

Denison TX

  • Overnight

    Overnight: Partly cloudy, with a low around 64. Southeast wind around 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 81. South wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 65. South wind 5 to 10 mph.  Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon.  High near 73. South wind around 10 mph.  Chance of precipitation is 90%.

    High: 73 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 56. South wind 5 to 10 mph.  Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. Southeast wind around 10 mph.
Monday
Sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 68. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 64. South wind around 5 mph.
Wednesday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers, with thunderstorms also possible after noon. High near 73. South wind around 10 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 56. South wind 5 to 10 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 47.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Denison TX
 33.78°N 96.57°W (Elev. 659 ft)
11:21 pm CST Nov 16, 2025
1am CST Nov 17, 2025-6pm CST Nov 23, 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