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.

14°F

-10°C

Humidity	88%
Wind Speed	E 14 mph
Barometer	29.85 in (1013.5 mb)
Dewpoint	11°F (-12°C)
Visibility	NA
Wind Chill	-1°F (-18°C)
Last update	24 Dec 5:56 am EST

More Information:

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

Extended Forecast for

4 Miles NW The Hermitage Preserve ME

Winter Weather Advisory December 24, 06:47am until December 24, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 24, 06:47am until December 24, 12:00pm
NOW until 12:00pm Wed
Winter Weather Advisory
Today
High: 17 °F
Snow then
Partly Sunny
Tonight
Low: 11 °F
Partly Cloudy
then Chance
Snow
Christmas Day
High: 21 °F
Snow Likely
then Chance
Snow
Thursday Night
Low: -2 °F
Decreasing
Clouds and
Blustery
Friday
High: 8 °F
Cold
Friday Night
Low: -3 °F
Partly Cloudy
Saturday
High: 13 °F
Partly Sunny
Saturday Night
Low: 4 °F
Partly Cloudy

Detailed Forecast

Today

Snow, mainly before 9am. High near 17. East wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

A chance of snow, mainly after 3am. Increasing clouds, with a low around 11. Calm wind. Chance of precipitation is 50%.

Christmas Day

Snow likely, mainly before 3pm. Mostly cloudy, with a high near 21. Wind chill values as low as -1. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Thursday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values as low as -24. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 38 mph.

Friday

Sunny and cold, with a high near 8. Northwest wind 8 to 18 mph, with gusts as high as 32 mph.

Friday Night

Partly cloudy, with a low around -3. North wind 3 to 6 mph.

Saturday

Partly sunny, with a high near 13. Light north wind.

Saturday Night

Partly cloudy, with a low around 4.

Sunday

Mostly sunny, with a high near 22.

Sunday Night

Snow, mainly after 11pm. Low around 12. Chance of precipitation is 80%.