Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

12°F

-11°C

Humidity	92%
Wind Speed	NW 3 mph
Barometer	30.11 in (1022.6 mb)
Dewpoint	10°F (-12°C)
Visibility	NA
Last update	24 Dec 3:56 pm EST

More Information:

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

Extended Forecast for

6 Miles ESE Lily Bay State Park ME

Tonight
Low: 10 °F
Mostly Cloudy
then Snow
Christmas Day
High: 21 °F
Snow Likely
then Patchy
Blowing Snow
Thursday Night
Low: -2 °F
Patchy
Blowing Snow
and Blustery
Friday
High: 6 °F
Patchy
Blowing Snow
then Sunny
Friday Night
Low: -4 °F
Mostly Cloudy
Saturday
High: 11 °F
Mostly Sunny
Saturday Night
Low: 3 °F
Mostly Clear
Sunday
High: 23 °F
Mostly Sunny
Sunday Night
Low: 13 °F
Mostly Cloudy
then Chance
Snow

Detailed Forecast

Tonight

Snow, mainly after 1am. Low around 10. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.

Christmas Day

Snow likely before 7am, then scattered snow showers between 7am and 9am. Patchy blowing snow after 4pm. Mostly cloudy, with a high near 21. Wind chill values as low as -3. Light and variable wind becoming northwest 13 to 18 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Patchy blowing snow. Partly cloudy, with a low around -2. Wind chill values as low as -24. Blustery, with a northwest wind 22 to 24 mph, with gusts as high as 40 mph.

Friday

Patchy blowing snow before 10am. Sunny and cold, with a high near 6. Wind chill values as low as -24. Northwest wind 10 to 17 mph, with gusts as high as 30 mph.

Friday Night

Mostly cloudy, with a low around -4. North wind 6 to 8 mph.

Saturday

Mostly sunny, with a high near 11. North wind around 6 mph.

Saturday Night

Mostly clear, with a low around 3. Northwest wind around 6 mph.

Sunday

Mostly sunny, with a high near 23.

Sunday Night

A chance of snow, mainly after 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 40%.

Monday

Snow. High near 26. Chance of precipitation is 80%.