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

Alliance, Alliance Municipal Airport (KAIA)

Lat: 42.06°NLon: 102.8°WElev: 3927ft.

Fair

44°F

7°C

Humidity 47%
Wind Speed S 10 mph
Barometer 30.00 in (1014.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 24 Dec 9:53 pm MST
Extended Forecast for

4 Miles N Hyannis NE

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South southwest wind 5 to 10 mph.

    Low: 39 °F

    Partly Cloudy

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. South southwest wind 5 to 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 28. Blustery.

    High: 28 °F

    Sunny and
    Blustery

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. South southwest wind 5 to 10 mph.
Christmas Day
Partly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 38. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 62. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 34. South southwest wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Sunny, with a high near 28. Blustery.
Sunday Night
Mostly clear, with a low around 11.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Sunny, with a high near 47. Breezy.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Hyannis NE
 42.05°N 101.75°W
Last Update:
6:03 pm MST Dec 24, 2025
Forecast Valid:
10pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
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Additional Resources

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