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 >

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

2 Miles WSW Allagash ME

  • Tonight

    Tonight: Snow.  Low around 6. Wind chill values as low as -1. Light east wind.  Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 6 °F

    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 19. Calm wind.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 19 °F

    Snow Likely
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 4am.  Mostly cloudy, with a low around 7. Light southwest wind.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 7 °F

    Mostly Cloudy
    then Snow
    Likely

  • Christmas Day

    Christmas Day: A chance of snow, mainly before 9am, then a slight chance of snow showers after 1pm.  Mostly cloudy, with a high near 22. Light and variable wind becoming northwest 5 to 8 mph in the morning.  Chance of precipitation is 30%.

    High: 22 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 11pm.  Mostly cloudy, with a low around 0. Northwest wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 0 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 9. Northwest wind 5 to 9 mph becoming light  in the afternoon.

    High: 9 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -6. Calm wind.

    Low: -6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow. Low around 6. Wind chill values as low as -1. Light east wind. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 19. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 7. Light southwest wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Christmas Day
A chance of snow, mainly before 9am, then a slight chance of snow showers after 1pm. Mostly cloudy, with a high near 22. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A slight chance of snow showers before 11pm. Mostly cloudy, with a low around 0. Northwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday
Mostly sunny and cold, with a high near 9. Northwest wind 5 to 9 mph becoming light in the afternoon.
Friday Night
Partly cloudy, with a low around -6. Calm wind.
Saturday
Mostly sunny, with a high near 15.
Saturday Night
Partly cloudy, with a low around -2.
Sunday
A chance of snow, mainly after 3pm. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 13. Chance of precipitation is 70%.
Monday
Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Allagash ME
 47.06°N 69.07°W (Elev. 784 ft)
9:57 pm EST Dec 23, 2025
11pm EST Dec 23, 2025-6pm EST Dec 30, 2025
 
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Additional Resources

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