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

McGrath, McGrath Airport (PAMC)

Lat: 62.97°NLon: 155.62°WElev: 338ft.

Overcast

10°F

-12°C

Humidity 92%
Wind Speed W 3 mph
Barometer 30.13 in (1021.5 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 24 Dec 9:53 am AKST
Extended Forecast for

Nikolai AK

  • Today

    Today: A 50 percent chance of snow, mainly before 3pm. Partly sunny, with a temperature falling to around 10 by 5pm. West wind around 5 mph.

    High: 25 °F⇓

    Chance Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around -18. West wind around 5 mph becoming calm.

    Low: -18 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Mostly sunny, with a temperature falling to around -18 by 10am. Calm wind.

    High: -7 °F⇓

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -23. Calm wind.

    Low: -23 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near -15. Calm wind becoming north around 5 mph.

    High: -15 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -32.

    Low: -32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near -20.

    High: -20 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -28.

    Low: -28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near -18.

    High: -18 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of snow, mainly before 3pm. Partly sunny, with a temperature falling to around 10 by 5pm. West wind around 5 mph.
Tonight
Mostly cloudy, with a low around -18. West wind around 5 mph becoming calm.
Christmas Day
Mostly sunny, with a temperature falling to around -18 by 10am. Calm wind.
Thursday Night
Mostly cloudy, with a low around -23. Calm wind.
Friday
Partly sunny, with a high near -15. Calm wind becoming north around 5 mph.
Friday Night
Mostly cloudy, with a low around -32.
Saturday
Mostly sunny, with a high near -20.
Saturday Night
Partly cloudy, with a low around -28.
Sunday
Mostly sunny, with a high near -18.
Sunday Night
Partly cloudy, with a low around -25.
Monday
Mostly sunny, with a high near -17.
Monday Night
Partly cloudy, with a low around -29.
Tuesday
A slight chance of snow. Mostly sunny, with a high near -16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nikolai AK
 63°N 154.37°W (Elev. 423 ft)
Last Update:
10:17 am AKST Dec 24, 2025
Forecast Valid:
10am AKST Dec 24, 2025-6pm AKST Dec 30, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation