Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Clayton Lake (K40B)

Lat: 46.62°NLon: 69.53°WElev: 1030ft.

29°F

-2°C

Humidity 72%
Wind Speed Vrbl 5 mph
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 22 Apr 1:20 am EDT
Extended Forecast for

5 Miles SW Allagash State Wilderness Waterway ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Scattered showers, mainly after 5pm.  Mostly cloudy, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 45 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely, becoming all rain after 4am.  Mostly cloudy, with a low around 31. Calm wind.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain showers likely before 7am, then a chance of rain and snow showers between 7am and 10am, then a chance of rain showers after 10am.  Mostly cloudy, with a high near 43. Calm wind becoming north 5 to 8 mph in the morning.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. Northwest wind 3 to 5 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43. North wind 6 to 8 mph.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. Calm wind.
Wednesday
Scattered showers, mainly after 5pm. Mostly cloudy, with a high near 45. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Rain and snow showers likely, becoming all rain after 4am. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Rain showers likely before 7am, then a chance of rain and snow showers between 7am and 10am, then a chance of rain showers after 10am. Mostly cloudy, with a high near 43. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, with a low around 27. Northwest wind 3 to 5 mph.
Friday
Partly sunny, with a high near 43. North wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 25. Calm wind.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Allagash State Wilderness Waterway ME
 46.4°N 69.39°W (Elev. 919 ft)
4:02 pm EDT Apr 21, 2026
2am EDT Apr 22, 2026-6pm EDT Apr 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database