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

5 Miles NE Clayton Lake ME

  • Overnight

    Overnight: Snow. Steady temperature around 13. South wind around 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow

  • Christmas Day

    Christmas Day: Snow, mainly before 8am. High near 20. Wind chill values as low as -5. Southwest wind 5 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 20 °F

    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Patchy blowing snow before 11pm. Mostly cloudy, with a low around -4. Wind chill values as low as -20. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.

    Low: -4 °F

    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 8. Wind chill values as low as -20. North wind 6 to 9 mph.

    High: 8 °F

    Cold

  • Friday Night

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

    Low: -10 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 11. Light north wind.

    High: 11 °F

    Sunny

  • Saturday Night

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

    Low: -6 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 3am. Mostly cloudy, with a low around 4. Chance of precipitation is 20%.

    Low: 4 °F

    Partly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Snow. Steady temperature around 13. South wind around 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Christmas Day
Snow, mainly before 8am. High near 20. Wind chill values as low as -5. Southwest wind 5 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
Patchy blowing snow before 11pm. Mostly cloudy, with a low around -4. Wind chill values as low as -20. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Friday
Sunny and cold, with a high near 8. Wind chill values as low as -20. North wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around -10. Light north wind.
Saturday
Sunny, with a high near 11. Light north wind.
Saturday Night
Mostly clear, with a low around -6. Light northwest wind.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
A slight chance of snow after 3am. Mostly cloudy, with a low around 4. Chance of precipitation is 20%.
Monday
Snow, mainly after 10am. High near 27. Chance of precipitation is 80%.
Monday Night
Snow likely. Cloudy, with a low around 10. Chance of precipitation is 70%.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 18. 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 16.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Clayton Lake ME
 46.66°N 69.44°W (Elev. 1299 ft)
Last Update:
12:44 am EST Dec 25, 2025
Forecast Valid:
5am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation