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

26°F

-3°C

Humidity 100%
Wind Speed N 12 mph
Barometer 29.86 in (1013.7 mb)
Dewpoint 26°F (-3°C)
Visibility 4.00 mi
Wind Chill15°F (-9°C)
Last update 23 Feb 3:56 am EST
Extended Forecast for

3 Miles WNW Sinclairville NY

Winter Storm Warning February 23, 04:10am until February 24, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 23, 04:10am until February 24, 06:00am

    NOW until 6:00am Tue

    Winter Storm Warning

  • Overnight

    Low: 24 °F

    Snow Showers

  • Monday

    Monday: Snow showers. High near 26. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 26 °F

    Snow Showers

  • Monday Night

    Monday Night: Snow showers, mainly before 2am. Low around 8. Northwest wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 8 °F

    Snow Showers
    then Snow
    Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 28. West wind around 6 mph becoming southwest in the afternoon.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow. Low around 20. South wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 20 °F

    Snow

  • Wednesday

    Wednesday: Snow likely before 1pm, then a chance of snow showers after 1pm. Mostly cloudy, with a high near 34. West wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 34 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 15. West wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 15 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow after 1pm. Partly sunny, with a high near 33. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 40%.

    High: 33 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Snow showers. Low around 24. North wind around 9 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
Snow showers. High near 26. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday Night
Snow showers, mainly before 2am. Low around 8. Northwest wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Partly sunny, with a high near 28. West wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Snow. Low around 20. South wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Wednesday
Snow likely before 1pm, then a chance of snow showers after 1pm. Mostly cloudy, with a high near 34. West wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 15. West wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday
A chance of snow after 1pm. Partly sunny, with a high near 33. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 40%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 32. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Sinclairville NY
 42.29°N 79.32°W (Elev. 1430 ft)
Last Update:
3:36 am EST Feb 23, 2026
Forecast Valid:
4am EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation