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

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

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles NE The Hermitage Preserve ME

Winter Weather Advisory December 24, 04:18am until December 24, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 24, 04:18am until December 24, 12:00pm
NOW until 12:00pm Wed
Winter Weather Advisory
Overnight
Low: 10 °F
Snow
Wednesday
High: 14 °F
Snow then
Partly Sunny
Wednesday Night
Low: 10 °F
Partly Cloudy
then Chance
Snow
Christmas Day
High: 18 °F
Snow Likely
and Blustery
Thursday Night
Low: -2 °F
Mostly Cloudy
and Windy
Friday
High: 4 °F
Sunny and
Windy then
Sunny
Friday Night
Low: -4 °F
Partly Cloudy
Saturday
High: 9 °F
Cold

Detailed Forecast

Overnight

Snow. Low around 10. Wind chill values as low as -8. East wind around 17 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Wednesday

Snow, mainly before 9am. High near 14. Wind chill values as low as -8. East wind 12 to 17 mph becoming north 6 to 11 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

A chance of snow, mainly after 3am. Increasing clouds, with a low around 10. Wind chill values as low as -1. Northwest wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 50%.

Christmas Day

Snow likely, mainly before 3pm. Mostly cloudy, with a high near 18. Wind chill values as low as -9. Blustery, with a southwest wind 9 to 14 mph becoming northwest 17 to 22 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 -2. Windy, with a northwest wind 33 to 38 mph, with gusts as high as 48 mph.

Friday

Sunny and cold, with a high near 4. Windy, with a north wind 24 to 29 mph decreasing to 13 to 18 mph in the afternoon.

Friday Night

Partly cloudy, with a low around -4. North wind 10 to 14 mph.

Saturday

Partly sunny and cold, with a high near 9.

Saturday Night

Partly cloudy, with a low around 3.

Sunday

Mostly sunny, with a high near 19.