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

Critical to Extremely Critical Fire Weather Conditions in Southern California; Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario

Critical to extremely critical fire weather conditions are forecast for coastal southern California through Wednesday due to moderate to locally strong Santa Ana winds. Particularly Dangerous Situation Red Flag Warnings have been issued. Across the Great Lakes, heavy lake effect snow is expected downwind of Lakes Erie and Ontario from this afternoon into late Wednesday night. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

41°F

5°C

Humidity 49%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 13 Jan 6:50 pm CST
Extended Forecast for

Denison TX

  • Tonight

    Tonight: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Calm wind becoming southwest around 5 mph.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Calm wind becoming east northeast around 5 mph.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind becoming west southwest around 5 mph in the morning.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. South wind 5 to 10 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 61. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. South wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Calm wind.
Tuesday
Sunny, with a high near 51. Calm wind becoming southwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 31. Calm wind.
Wednesday
Mostly sunny, with a high near 50. Calm wind becoming east northeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 32. Calm wind.
Thursday
Sunny, with a high near 57. Calm wind becoming west southwest around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 41. South wind 5 to 10 mph.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 61. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 37. South wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 19.
M.L.King Day
Mostly sunny, with a high near 32.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Denison TX
 33.75°N 96.57°W (Elev. 748 ft)
Last Update:
5:09 pm CST Jan 13, 2025
Forecast Valid:
6pm CST Jan 13, 2025-6pm CST Jan 20, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation