National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Light Snow Fog/Mist

17°F

-8°C

Humidity 88%
Wind Speed NW 13 mph
Barometer 29.99 in (1018.6 mb)
Dewpoint 14°F (-10°C)
Visibility 2.50 mi
Wind Chill3°F (-16°C)
Last update 23 Feb 7:56 pm EST
Extended Forecast for

3 Miles NNE Sinclairville NY

Winter Storm Warning February 23, 08:09pm until February 24, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 23, 08:09pm until February 24, 06:00am

    NOW until 6:00am Tue

    Winter Storm Warning

  • Tonight

    Low: 7 °F

    Snow

  • Tuesday

    Tuesday: A chance of snow showers before 7am. Partly sunny, with a high near 27. Wind chill values as low as -10. West wind 9 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow. Low around 20. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Snow

  • Wednesday

    Wednesday: A chance of snow showers. Mostly cloudy, with a high near 33. West wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    High: 33 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 15. West wind 7 to 14 mph. Chance of precipitation is 40%.

    Low: 15 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 30. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 40%.

    High: 30 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 17. Northeast wind around 6 mph becoming west after midnight. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 36. Southwest wind 6 to 9 mph.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow, mainly before 4am, then a chance of snow showers after 4am. Low around 7. Wind chill values as low as -10. Northwest wind 11 to 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
A chance of snow showers before 7am. Partly sunny, with a high near 27. Wind chill values as low as -10. West wind 9 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow. Low around 20. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 33. West wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Wednesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 15. West wind 7 to 14 mph. Chance of precipitation is 40%.
Thursday
A chance of snow. Partly sunny, with a high near 30. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 40%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 17. Northeast wind around 6 mph becoming west after midnight. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 36. Southwest wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Sinclairville NY
 42.31°N 79.23°W (Elev. 1591 ft)
Last Update:
6:36 pm EST Feb 23, 2026
Forecast Valid:
8pm EST Feb 23, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation