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

Delta Junction/Ft Greely, Allen Army Airfield (PABI)

Lat: 64°NLon: 145.73°WElev: 1276ft.

Overcast

-4°F

-20°C

Humidity 83%
Wind Speed SW 5 mph
Barometer 30.13 in (1026.6 mb)
Dewpoint -8°F (-22°C)
Visibility NA
Wind Chill-15°F (-26°C)
Last update 25 Dec 2:53 am AKST
Extended Forecast for

12 Miles S Donnelly AK

  • Overnight

    Overnight: A 30 percent chance of snow. Mostly cloudy, with a steady temperature around -5. North wind around 10 mph.

    Low: -5 °F

    Chance Snow

  • Christmas Day

    Christmas Day: A 20 percent chance of snow before 9am. Mostly sunny, with a temperature falling to around -19 by 3pm. North wind 5 to 10 mph becoming light northwest in the afternoon.

    High: -6 °F⇓

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -19. Southwest wind 5 to 10 mph becoming south in the evening.

    Low: -19 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near -10. South wind 5 to 10 mph.

    High: -10 °F

    Chance Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -21. Calm wind becoming north around 5 mph after midnight.

    Low: -21 °F

    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 3pm. Mostly cloudy, with a high near -17.

    High: -17 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow. Mostly cloudy, with a low around -26.

    Low: -26 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near -13.

    High: -13 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around -22.

    Low: -22 °F

    Chance Snow

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a steady temperature around -5. North wind around 10 mph.
Christmas Day
A 20 percent chance of snow before 9am. Mostly sunny, with a temperature falling to around -19 by 3pm. North wind 5 to 10 mph becoming light northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around -19. Southwest wind 5 to 10 mph becoming south in the evening.
Friday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near -10. South wind 5 to 10 mph.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -21. Calm wind becoming north around 5 mph after midnight.
Saturday
A 30 percent chance of snow, mainly before 3pm. Mostly cloudy, with a high near -17.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around -26.
Sunday
A chance of snow. Mostly cloudy, with a high near -13.
Sunday Night
A chance of snow. Mostly cloudy, with a low around -22.
Monday
A chance of snow. Partly sunny, with a high near 0.
Monday Night
A chance of snow. Mostly cloudy, with a low around -12.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 5.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around -10.
Wednesday
A slight chance of snow. Partly sunny, with a high near 0.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Donnelly AK
 63.5°N 145.85°W (Elev. 2602 ft)
Last Update:
2:17 am AKST Dec 25, 2025
Forecast Valid:
3am AKST Dec 25, 2025-6pm AKST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation