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

Bar Harbor, Hancock County-Bar Harbor Airport (KBHB)

Lat: 44.45°NLon: 68.37°WElev: 82ft.

Overcast

22°F

-6°C

Humidity 82%
Wind Speed N 12 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 17°F (-8°C)
Visibility 9.00 mi
Wind Chill10°F (-12°C)
Last update 24 Dec 12:56 pm EST
Extended Forecast for

3 Miles SW Swans Island ME

  • This Afternoon

    This Afternoon: A chance of snow, mainly before 2pm. Mostly cloudy, with a high near 32. Breezy, with a north wind 16 to 20 mph. Chance of precipitation is 40%.

    High: 32 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: A chance of snow, mainly after 5am. Increasing clouds, with a low around 23. North wind 5 to 11 mph becoming west after midnight. Chance of precipitation is 30%.

    Low: 23 °F

    Partly Cloudy
    then Chance
    Snow

  • Christmas Day

    Christmas Day: Snow before 11am, then scattered snow showers between 11am and 1pm. High near 34. Breezy, with a southwest wind 10 to 15 mph becoming northwest 17 to 22 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow then
    Isolated Snow
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. Wind chill values as low as -6. Windy, with a north wind 29 to 31 mph, with gusts as high as 43 mph.

    Low: 12 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 19. Blustery, with a north wind 17 to 25 mph.

    High: 19 °F

    Mostly Sunny
    and Blustery

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13. North wind 13 to 16 mph.

    Low: 13 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 23. North wind around 14 mph.

    High: 23 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of snow, mainly before 2pm. Mostly cloudy, with a high near 32. Breezy, with a north wind 16 to 20 mph. Chance of precipitation is 40%.
Tonight
A chance of snow, mainly after 5am. Increasing clouds, with a low around 23. North wind 5 to 11 mph becoming west after midnight. Chance of precipitation is 30%.
Christmas Day
Snow before 11am, then scattered snow showers between 11am and 1pm. High near 34. Breezy, with a southwest wind 10 to 15 mph becoming northwest 17 to 22 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Partly cloudy, with a low around 12. Wind chill values as low as -6. Windy, with a north wind 29 to 31 mph, with gusts as high as 43 mph.
Friday
Mostly sunny, with a high near 19. Blustery, with a north wind 17 to 25 mph.
Friday Night
Mostly cloudy, with a low around 13. North wind 13 to 16 mph.
Saturday
Partly sunny, with a high near 23. North wind around 14 mph.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
A slight chance of snow between 10pm and 1am, then a chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Monday
Rain, possibly mixed with snow. High near 40. Breezy. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Windy. Chance of precipitation is 50%.
Tuesday
A slight chance of snow. Partly sunny, with a high near 30. Windy. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Swans Island ME
 44.12°N 68.5°W (Elev. 62 ft)
Last Update:
12:43 pm EST Dec 24, 2025
Forecast Valid:
1pm EST Dec 24, 2025-6pm EST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation