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

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

13°F

-11°C

Humidity 88%
Wind Speed E 13 G 21 mph
Barometer 29.81 in (1012.5 mb)
Dewpoint 10°F (-12°C)
Visibility NA
Wind Chill-2°F (-19°C)
Last update 24 Dec 3:56 am EST
Extended Forecast for

3 Miles NW The Highlands ME

Winter Weather Advisory December 24, 04:07am until December 24, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 24, 04:07am until December 24, 12:00pm

    NOW until 12:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 15 °F

    Snow

  • Wednesday

    Wednesday: Snow, mainly before 9am.  High near 20. East wind 5 to 10 mph becoming light and variable  in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 20 °F

    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow after 2am.  Increasing clouds, with a low around 11. Calm wind becoming southwest around 6 mph after midnight.  Chance of precipitation is 50%.

    Low: 11 °F

    Mostly Cloudy
    then Chance
    Snow

  • Christmas Day

    Christmas Day: A chance of snow, mainly before 2pm.  Mostly cloudy, with a high near 23. Wind chill values as low as -2. Blustery, with a south wind 6 to 11 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 50%.

    High: 23 °F

    Chance Snow
    and Blustery

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -1. Windy, with a northwest wind 30 to 32 mph, with gusts as high as 50 mph.

    Low: -1 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Sunny and cold, with a high near 9. Blustery, with a northwest wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 9 °F

    Sunny and
    Blustery then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2. North wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. Low around 15. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Snow, mainly before 9am. High near 20. East wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A chance of snow after 2am. Increasing clouds, with a low around 11. Calm wind becoming southwest around 6 mph after midnight. Chance of precipitation is 50%.
Christmas Day
A chance of snow, mainly before 2pm. Mostly cloudy, with a high near 23. Wind chill values as low as -2. Blustery, with a south wind 6 to 11 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around -1. Windy, with a northwest wind 30 to 32 mph, with gusts as high as 50 mph.
Friday
Sunny and cold, with a high near 9. Blustery, with a northwest wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 41 mph.
Friday Night
Partly cloudy, with a low around -2. North wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 14.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
A slight chance of snow after 4pm. Mostly sunny, with a high near 24. Chance of precipitation is 20%.
Sunday Night
Snow. Low around 13. Chance of precipitation is 80%.
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 9. Breezy. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 18. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW The Highlands ME
 45.52°N 69.63°W (Elev. 1027 ft)
1:34 am EST Dec 24, 2025
4am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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