Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

6°F

-14°C

Humidity	63%
Wind Speed	S 5 mph
Barometer	30.14 in (1024.8 mb)
Dewpoint	-4°F (-20°C)
Visibility	10.00 mi
Wind Chill	-3°F (-19°C)
Last update	9 Dec 1:56 am EST

More Information:

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

Extended Forecast for

Celoron NY

Winter Weather Advisory December 10, 01:00am until December 10, 10:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 1 °F
Mostly Clear
Tuesday
High: 30 °F
Partly Sunny
then Snow
Tuesday Night
Low: 26 °F
Chance Snow
then Snow
Wednesday
High: 38 °F
Rain/Snow
Wednesday Night
Low: 20 °F
Snow Showers
Thursday
High: 28 °F
Snow Showers
Thursday Night
Low: 19 °F
Snow Showers
Likely
Friday
High: 29 °F
Snow Showers
Likely
Friday Night
Low: 17 °F
Snow Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 1. Wind chill values as low as -5. Light southeast wind.

Tuesday

Snow, mainly between 2pm and 4pm. High near 30. Wind chill values as low as -5. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Tuesday Night

Snow, mainly after 3am. Low around 26. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Snow before 10am, then snow, possibly mixed with rain between 10am and 4pm, then snow after 4pm. High near 38. South wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Snow showers. Low around 20. Northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Thursday

Snow showers. High near 28. West wind 11 to 15 mph. Chance of precipitation is 80%.

Thursday Night

Snow showers likely. Mostly cloudy, with a low around 19. West wind 8 to 10 mph. Chance of precipitation is 70%.

Friday

Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 29. West wind 7 to 10 mph. Chance of precipitation is 60%.

Friday Night

Snow showers. Low around 17. Chance of precipitation is 80%.

Saturday

Snow showers. High near 27. Chance of precipitation is 80%.