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

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Light Snow

30°F

-1°C

Humidity 88%
Wind Speed W 14 mph
Barometer 29.94 in (1016.4 mb)
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Wind Chill19°F (-7°C)
Last update 7 Dec 2:56 pm EST
Extended Forecast for

Jamestown NY

  • This Afternoon

    This Afternoon: Snow likely.  Cloudy, with a high near 32. West wind around 10 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely

  • Tonight

    Tonight: A chance of snow showers, mainly before 9pm.  Cloudy, then gradually becoming partly cloudy, with a low around 6. Northwest wind 5 to 9 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 6 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22. Northeast wind 3 to 6 mph.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6. Calm wind becoming south around 6 mph after midnight.

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Snow showers likely, mainly after 1pm.  Mostly cloudy, with a high near 34. South wind 8 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    High: 34 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Tuesday Night

    Tuesday Night: Snow showers likely before 1am, then snow after 1am.  Low around 26. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    Low: 26 °F

    Snow Showers
    Likely then
    Snow

  • Wednesday

    Wednesday: Rain before 1pm, then rain and snow.  High near 38. South wind 16 to 18 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%.

    High: 38 °F

    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow before 1am, then snow showers likely after 1am.  Low around 21. West wind 8 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%.

    Low: 21 °F

    Snow

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm.  Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

    High: 29 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Snow likely. Cloudy, with a high near 32. West wind around 10 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
A chance of snow showers, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 6. Northwest wind 5 to 9 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 22. Northeast wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 6. Calm wind becoming south around 6 mph after midnight.
Tuesday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 34. South wind 8 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tuesday Night
Snow showers likely before 1am, then snow after 1am. Low around 26. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday
Rain before 1pm, then rain and snow. High near 38. South wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.
Wednesday Night
Snow before 1am, then snow showers likely after 1am. Low around 21. West wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.
Friday
Snow showers likely. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.
Friday Night
Snow showers. Low around 13. Chance of precipitation is 80%.
Saturday
Snow showers. High near 23. Chance of precipitation is 80%.
Saturday Night
Snow showers. Low around 12. Chance of precipitation is 80%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown NY
 42.09°N 79.24°W (Elev. 1430 ft)
3:36 pm EST Dec 7, 2025
3pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database