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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fog/Mist

61°F

16°C

Humidity 100%
Wind Speed S 9 mph
Barometer 30.25 in
Dewpoint 61°F (16°C)
Visibility 6.00 mi
Last update 24 Dec 7:50 am CST
Extended Forecast for

Luella TX

Dense Fog Advisory until December 24, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 24, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Today

    High: 79 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South southwest wind around 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Christmas Day

    Christmas Day: Sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. South southwest wind 10 to 15 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. South southwest wind around 10 mph.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. South southwest wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 62. South southwest wind around 10 mph.
Christmas Day
Sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 64. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 63. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 80. South southwest wind 10 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 57. South southwest wind around 10 mph.
Sunday
Mostly cloudy, with a high near 68. South southwest wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Luella TX
 33.6°N 96.55°W (Elev. 597 ft)
Last Update:
7:36 am CST Dec 24, 2025
Forecast Valid:
8am CST Dec 24, 2025-6pm CST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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