Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

19°F

-7°C

Humidity	74%
Wind Speed	N 7 mph
Barometer	30.16 in (1024.3 mb)
Dewpoint	12°F (-11°C)
Visibility	10.00 mi
Wind Chill	10°F (-12°C)
Last update	7 Dec 11:56 pm EST

More Information:

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

Extended Forecast for

2 Miles SSW Sherman NY

Overnight
Low: 8 °F
Partly Cloudy
Monday
High: 20 °F
Mostly Sunny
Monday Night
Low: 6 °F
Partly Cloudy
Tuesday
High: 33 °F
Snow Showers
Likely
Tuesday Night
Low: 26 °F
Snow Showers
Likely then
Snow
Wednesday
High: 37 °F
Rain/Snow and
Breezy
Wednesday Night
Low: 21 °F
Snow
Thursday
High: 28 °F
Snow Showers
Likely
Thursday Night
Low: 17 °F
Snow Showers
Likely

Detailed Forecast

Overnight

Partly cloudy, with a low around 8. North wind around 7 mph.

Monday

Mostly sunny, with a high near 20. Northeast wind around 6 mph.

Monday Night

Partly cloudy, with a low around 6. Calm wind becoming south 5 to 7 mph after midnight.

Tuesday

Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 33. South wind 10 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Tuesday Night

Snow showers likely before 1am, then snow after 1am. Low around 26. Southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.

Wednesday

Snow, possibly mixed with rain. High near 37. Breezy, with a south wind 17 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Snow before 1am, then snow showers likely after 1am. Low around 21. West wind 9 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.

Thursday

Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 28. West wind around 10 mph. Chance of precipitation is 60%.

Thursday Night

Snow showers likely. Cloudy, with a low around 17. Chance of precipitation is 70%.

Friday

Snow showers likely. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

Friday Night

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

Saturday

Snow showers. High near 22. Chance of precipitation is 80%.

Saturday Night

Snow showers. Low around 11. Chance of precipitation is 80%.