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.

Fair

10°F

-12°C

Humidity 84%
Wind Speed NW 5 mph
Barometer 30.23 in (1024.0 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 24 Dec 10:56 pm EST
Extended Forecast for

Swans Island ME

  • Tonight

    Tonight: A chance of snow, mainly after 5am. Increasing clouds, with a low around 21. North wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow

  • Christmas Day

    Christmas Day: Snow before 11am, then scattered snow showers between 11am and 1pm. Patchy blowing snow after 4pm. High near 34. Breezy, with a southwest wind 9 to 14 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow then
    Isolated Snow
    Showers and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Patchy blowing snow. Partly cloudy, with a low around 12. Wind chill values as low as -7. Windy, with a north wind 25 to 28 mph, with gusts as high as 45 mph.

    Low: 12 °F

    Patchy
    Blowing Snow
    and Windy

  • Friday

    Friday: Patchy blowing snow before 9am. Mostly sunny, with a high near 19. Wind chill values as low as -7. Blustery, with a north wind 15 to 23 mph, with gusts as high as 39 mph.

    High: 19 °F

    Patchy
    Blowing Snow
    and Blustery
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13. North wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 23. North wind around 11 mph, with gusts as high as 22 mph.

    High: 23 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow between 11pm and 1am, then a chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
A chance of snow, mainly after 5am. Increasing clouds, with a low around 21. North wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 30%.
Christmas Day
Snow before 11am, then scattered snow showers between 11am and 1pm. Patchy blowing snow after 4pm. High near 34. Breezy, with a southwest wind 9 to 14 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Patchy blowing snow. Partly cloudy, with a low around 12. Wind chill values as low as -7. Windy, with a north wind 25 to 28 mph, with gusts as high as 45 mph.
Friday
Patchy blowing snow before 9am. Mostly sunny, with a high near 19. Wind chill values as low as -7. Blustery, with a north wind 15 to 23 mph, with gusts as high as 39 mph.
Friday Night
Mostly cloudy, with a low around 13. North wind 11 to 14 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 23. North wind around 11 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 19. North wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
A slight chance of snow between 11pm and 1am, then a chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Monday
Rain likely, possibly mixed with snow before 9am, then rain between 9am and 4pm, then rain likely, possibly mixed with snow after 4pm. High near 40. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Breezy. Chance of precipitation is 50%.
Tuesday
A slight chance of snow. Partly sunny, with a high near 30. Breezy. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 22. Breezy.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 34. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Swans Island ME
 44.14°N 68.47°W (Elev. 0 ft)
Last Update:
10:06 pm EST Dec 24, 2025
Forecast Valid:
11pm EST Dec 24, 2025-6pm EST Dec 31, 2025
 
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