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.

14°F

-10°C

Humidity 88%
Wind Speed E 10 mph
Barometer 29.88 in (1014.9 mb)
Dewpoint 11°F (-12°C)
Visibility NA
Wind Chill1°F (-17°C)
Last update 24 Dec 6:56 am EST
Extended Forecast for

7 Miles NW The Hermitage Preserve ME

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

    NOW until 12:00pm Wed

    Winter Weather Advisory

  • Today

    High: 13 °F

    Snow then
    Partly Sunny

  • Tonight

    Tonight: A chance of snow after 2am.  Increasing clouds, with a low around 9. Wind chill values as low as -3. Northwest wind 6 to 10 mph becoming southwest after midnight.  Chance of precipitation is 50%.

    Low: 9 °F

    Partly Cloudy
    then Chance
    Snow

  • Christmas Day

    Christmas Day: Snow likely, mainly before 3pm.  Mostly cloudy, with a high near 16. Wind chill values as low as -13. Blustery, with a southwest wind 10 to 15 mph becoming northwest 20 to 25 mph in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 16 °F

    Snow Likely
    then Chance
    Snow and
    Blustery

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -4. Wind chill values as low as -31. Windy, with a northwest wind 34 to 38 mph, with gusts as high as 48 mph.

    Low: -4 °F

    Mostly Cloudy
    and Windy

  • Friday

    Friday: Sunny and cold, with a high near 3. Windy, with a north wind 25 to 30 mph decreasing to 16 to 21 mph in the afternoon.

    High: 3 °F

    Cold and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around -5. North wind 11 to 16 mph.

    Low: -5 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 8. North wind 6 to 10 mph.

    High: 8 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Today
Snow, mainly before 9am. High near 13. Wind chill values as low as -7. East wind 13 to 18 mph becoming north 6 to 11 mph in the afternoon. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A chance of snow after 2am. Increasing clouds, with a low around 9. Wind chill values as low as -3. Northwest wind 6 to 10 mph becoming southwest after midnight. Chance of precipitation is 50%.
Christmas Day
Snow likely, mainly before 3pm. Mostly cloudy, with a high near 16. Wind chill values as low as -13. Blustery, with a southwest wind 10 to 15 mph becoming northwest 20 to 25 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, with a low around -4. Wind chill values as low as -31. Windy, with a northwest wind 34 to 38 mph, with gusts as high as 48 mph.
Friday
Sunny and cold, with a high near 3. Windy, with a north wind 25 to 30 mph decreasing to 16 to 21 mph in the afternoon.
Friday Night
Partly cloudy, with a low around -5. North wind 11 to 16 mph.
Saturday
Partly sunny and cold, with a high near 8. North wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
A slight chance of snow after 4pm. Mostly sunny, with a high near 17. Chance of precipitation is 20%.
Sunday Night
Snow, mainly after 11pm. Low around 10. Breezy. Chance of precipitation is 80%.
Monday
Snow likely. Mostly cloudy, with a high near 17. Breezy. Chance of precipitation is 70%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 7. Windy. Chance of precipitation is 50%.
Tuesday
Mostly cloudy, with a high near 12. Windy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW The Hermitage Preserve ME
 45.55°N 69.4°W (Elev. 2825 ft)
1:34 am EST Dec 24, 2025
7am 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