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 >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

65°F

18°C

Humidity 87%
Wind Speed SW 16 mph
Barometer 29.94 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Dec 2:15 am CST
Extended Forecast for

2 Miles SSE Willis OK

  • Overnight

    Overnight: Mostly clear, with a low around 63. South southwest wind around 10 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. West wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Calm wind becoming south around 5 mph in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79. South southwest wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 75. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 32. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. North wind 5 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 63. South southwest wind around 10 mph.
Friday
Sunny, with a high near 79. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 61. Calm wind becoming south around 5 mph in the evening.
Saturday
Mostly sunny, with a high near 79. South southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 65. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 75. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 32. North wind around 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 42. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 26. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 38.
New Year's Day
Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Willis OK
 33.84°N 96.82°W (Elev. 656 ft)
Last Update:
12:31 am CST Dec 26, 2025
Forecast Valid:
2am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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