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	87%
Wind Speed	Calm
Barometer	29.85 in (1013.9 mb)
Dewpoint	9°F (-13°C)
Visibility	NA
Last update	25 Dec 4:56 am EST

More Information:

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

Extended Forecast for

5 Miles ENE Lily Bay State Park ME

Overnight
Low: 14 °F
Snow
Christmas Day
High: 19 °F
Snow Likely
then Patchy
Blowing Snow
and Blustery
Thursday Night
Low: -3 °F
Patchy
Blowing Snow
and Blustery
Friday
High: 6 °F
Patchy
Blowing Snow
then Sunny
Friday Night
Low: -5 °F
Partly Cloudy
Saturday
High: 9 °F
Cold
Saturday Night
Low: 1 °F
Mostly Clear
Sunday
High: 20 °F
Sunny
Sunday Night
Low: 10 °F
Partly Cloudy
then Chance
Snow

Detailed Forecast

Overnight

Snow. Steady temperature around 14. South wind around 5 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.

Christmas Day

Snow likely, mainly before 8am. Patchy blowing snow after 4pm. Mostly cloudy, with a high near 19. Wind chill values as low as -7. Blustery, with a southwest wind 5 to 10 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Thursday Night

Patchy blowing snow. Mostly cloudy, with a low around -3. Wind chill values as low as -24. Blustery, with a northwest wind 21 to 23 mph, with gusts as high as 39 mph.

Friday

Patchy blowing snow before 10am. Sunny and cold, with a high near 6. Wind chill values as low as -24. North wind 10 to 16 mph, with gusts as high as 30 mph.

Friday Night

Partly cloudy, with a low around -5. North wind 6 to 9 mph.

Saturday

Sunny and cold, with a high near 9. North wind around 7 mph.

Saturday Night

Mostly clear, with a low around 1. Northwest wind around 8 mph.

Sunday

Sunny, with a high near 20.

Sunday Night

A chance of snow, mainly after 3am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.

Monday

Snow, mainly after 8am. High near 25. Chance of precipitation is 90%.