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

4°F

-16°C

Humidity	73%
Wind Speed	S 8 mph
Barometer	30.07 in (1022.6 mb)
Dewpoint	-3°F (-19°C)
Visibility	10.00 mi
Wind Chill	-9°F (-23°C)
Last update	9 Dec 5:56 am EST

More Information:

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

Extended Forecast for

Jamestown NY

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

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 30 °F
Partly Sunny
then Snow
Likely
Tonight
Low: 26 °F
Chance Snow
then Snow
Wednesday
High: 37 °F
Rain/Snow
Wednesday Night
Low: 20 °F
Snow Showers
Thursday
High: 27 °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
Saturday
High: 26 °F
Snow Showers

Detailed Forecast

Today

Snow likely, mainly between 2pm and 5pm. Increasing clouds, with a high near 30. Wind chill values as low as -10. South wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow, mainly after 2am. Low around 26. Southwest wind 10 to 13 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 37. South wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Snow showers. Low around 20. Northwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday

Snow showers. High near 27. West wind 10 to 15 mph. Chance of precipitation is 80%.

Thursday Night

Snow showers likely. Mostly cloudy, with a low around 19. West wind 7 to 9 mph. Chance of precipitation is 70%.

Friday

Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 29. West wind 6 to 10 mph. Chance of precipitation is 60%.

Friday Night

Snow showers. Low around 17. South wind 6 to 9 mph. Chance of precipitation is 80%.

Saturday

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

Saturday Night

Snow showers. Low around 13. Chance of precipitation is 80%.