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

Clayton Lake (K40B)

Lat: 46.62°NLon: 69.53°WElev: 1030ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Clayton Lake ME

  • Christmas Day

    Christmas Day: Scattered snow showers before 11am, then isolated snow showers after noon. Mostly cloudy, with a temperature falling to around 10 by 5pm. Wind chill values as low as -6. West wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 21 °F⇓

    Scattered
    Snow Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around -6. Wind chill values as low as -21. Northwest wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: -6 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 8. Wind chill values as low as -20. Northwest wind 5 to 8 mph.

    High: 8 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -10. Calm wind.

    Low: -10 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 12. Light north wind.

    High: 12 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -6. Calm wind.

    Low: -6 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 24. Calm wind becoming northwest around 5 mph.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 3am. Mostly cloudy, with a low around 5. Chance of precipitation is 20%.

    Low: 5 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: Snow, mainly after 9am. High near 28. Chance of precipitation is 80%.

    High: 28 °F

    Snow

Detailed Forecast

Christmas Day
Scattered snow showers before 11am, then isolated snow showers after noon. Mostly cloudy, with a temperature falling to around 10 by 5pm. Wind chill values as low as -6. West wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Tonight
Mostly cloudy, with a low around -6. Wind chill values as low as -21. Northwest wind 11 to 14 mph, with gusts as high as 29 mph.
Friday
Sunny and cold, with a high near 8. Wind chill values as low as -20. Northwest wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around -10. Calm wind.
Saturday
Sunny, with a high near 12. Light north wind.
Saturday Night
Mostly clear, with a low around -6. Calm wind.
Sunday
Mostly sunny, with a high near 24. Calm wind becoming northwest around 5 mph.
Sunday Night
A slight chance of snow after 3am. Mostly cloudy, with a low around 5. Chance of precipitation is 20%.
Monday
Snow, mainly after 9am. High near 28. Chance of precipitation is 80%.
Monday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 10. Chance of precipitation is 70%.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 20%.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 4. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 17.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton Lake ME
 46.61°N 69.55°W (Elev. 1099 ft)
Last Update:
9:21 am EST Dec 25, 2025
Forecast Valid:
9am EST Dec 25, 2025-6pm EST 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