Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

16°F

-9°C

Humidity 43%
Wind Speed E 7 mph
Barometer 30.27 in (1028.5 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 8 Dec 11:56 am EST
Extended Forecast for

3 Miles ENE Dewittville NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 19. Northeast wind around 6 mph.

    High: 19 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Snow showers, mainly after 1pm.  High near 33. South wind 9 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers

  • Tuesday Night

    Tuesday Night: Snow showers.  Low around 27. Southwest wind 13 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow Showers
    Likely then
    Snow Showers

  • Wednesday

    Wednesday: Snow showers, possibly mixed with rain.  High near 37. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 37 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow showers, possibly mixed with rain, becoming all snow after 7pm.  Low around 22. Northwest wind 10 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 22 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers likely.  Mostly cloudy, with a high near 29. West wind 10 to 13 mph.  Chance of precipitation is 70%.

    High: 29 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Snow showers likely.  Mostly cloudy, with a low around 18. Southwest wind around 9 mph.  Chance of precipitation is 60%.

    Low: 18 °F

    Snow Showers
    Likely

  • Friday

    Friday: Snow showers likely.  Mostly cloudy, with a high near 27. Chance of precipitation is 70%.

    High: 27 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 19. Northeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 6. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the evening.
Tuesday
Snow showers, mainly after 1pm. High near 33. South wind 9 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow showers. Low around 27. Southwest wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers, possibly mixed with rain. High near 37. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Snow showers, possibly mixed with rain, becoming all snow after 7pm. Low around 22. Northwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Snow showers likely. Mostly cloudy, with a high near 29. West wind 10 to 13 mph. Chance of precipitation is 70%.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 18. Southwest wind around 9 mph. Chance of precipitation is 60%.
Friday
Snow showers likely. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.
Friday Night
Snow showers. Low around 14. Chance of precipitation is 90%.
Saturday
Snow showers. High near 22. Chance of precipitation is 90%.
Saturday Night
Snow showers. Low around 14. Chance of precipitation is 80%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Dewittville NY
 42.25°N 79.36°W (Elev. 1411 ft)
9:35 am EST Dec 8, 2025
12pm EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database