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 >

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

3 Miles NNE Allagash State Wilderness Waterway ME

Winter Weather Advisory December 24, 05:25am until December 24, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 24, 05:25am until December 24, 12:00pm

    NOW until 12:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 7 °F

    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 19. Wind chill values as low as zero. Light and variable wind.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 19 °F

    Snow Likely
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 2am.  Mostly cloudy, with a low around 5. Calm wind.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 5 °F

    Mostly Cloudy
    then Snow
    Likely

  • Christmas Day

    Christmas Day: Snow likely, mainly before 2pm.  Mostly cloudy, with a high near 22. Wind chill values as low as -1. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -4. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: -4 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 9. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 9 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -9. Calm wind.

    Low: -9 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. Low around 7. Wind chill values as low as -2. East wind around 5 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Snow likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 19. Wind chill values as low as zero. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow likely, mainly after 2am. Mostly cloudy, with a low around 5. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Christmas Day
Snow likely, mainly before 2pm. Mostly cloudy, with a high near 22. Wind chill values as low as -1. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, with a low around -4. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Friday
Sunny and cold, with a high near 9. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around -9. Calm wind.
Saturday
Partly sunny, with a high near 14.
Saturday Night
Partly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
Snow likely. Mostly cloudy, with a low around 7. Chance of precipitation is 70%.
Monday
Snow likely. Mostly cloudy, with a high near 23. Chance of precipitation is 70%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 50%.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Allagash State Wilderness Waterway ME
 46.49°N 69.3°W (Elev. 919 ft)
1:34 am EST Dec 24, 2025
5am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database