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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Sleetmute (PASL)

Lat: 61.7°NLon: 157.17°WElev: 207ft.

Overcast

3°F

-16°C

Humidity 91%
Wind Speed Calm
Barometer 30.35 in (1027.1 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 23 Dec 4:56 pm AKST
Extended Forecast for

Flat AK

  • This Afternoon

    This Afternoon: Snow. Steady temperature around 15. Southeast wind around 10 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

    High: 15 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 3am. Temperature rising to around 32 by 11pm. South wind around 10 mph becoming southwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F⇑

    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 9am. Mostly cloudy, with a temperature falling to around 12 by 5pm. Northwest wind around 5 mph.

    High: 29 °F⇓

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -7. Northwest wind around 5 mph becoming calm.

    Low: -7 °F

    Partly Cloudy

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near -3. Calm wind.

    High: -3 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -18.

    Low: -18 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near -14.

    High: -14 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -25.

    Low: -25 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near -17.

    High: -17 °F

    Sunny

Detailed Forecast

This Afternoon
Snow. Steady temperature around 15. Southeast wind around 10 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow, mainly before 3am. Temperature rising to around 32 by 11pm. South wind around 10 mph becoming southwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 30 percent chance of snow, mainly before 9am. Mostly cloudy, with a temperature falling to around 12 by 5pm. Northwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around -7. Northwest wind around 5 mph becoming calm.
Christmas Day
Mostly sunny, with a high near -3. Calm wind.
Thursday Night
Mostly cloudy, with a low around -18.
Friday
Partly sunny, with a high near -14.
Friday Night
Partly cloudy, with a low around -25.
Saturday
Sunny, with a high near -17.
Saturday Night
Mostly clear, with a low around -22.
Sunday
Sunny, with a high near -14.
Sunday Night
Partly cloudy, with a low around -21.
Monday
A slight chance of snow. Partly sunny, with a high near -6.
Monday Night
A chance of snow. Mostly cloudy, with a low around -17.
Tuesday
A chance of snow. Partly sunny, with a high near -4.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Flat AK
 62.44°N 157.98°W (Elev. 728 ft)
Last Update:
5:17 pm AKST Dec 23, 2025
Forecast Valid:
5pm AKST Dec 23, 2025-6pm AKST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation