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

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Light Snow Fog/Mist and Breezy

28°F

-2°C

Humidity 96%
Wind Speed SW 21 G 24 mph
Barometer 29.84 in (1013.0 mb)
Dewpoint 27°F (-3°C)
Visibility 1.25 mi
Wind Chill14°F (-10°C)
Last update 27 Nov 11:56 am EST
Extended Forecast for

Sherman NY

Wind Advisory November 27, 12:14pm until November 28, 01:00am
Lake Effect Snow Warning November 27, 12:14pm until November 29, 01:00am
Click here for hazard details and duration
Wind Advisory
Lake Effect Snow Warning
  •  
    Wind Advisory November 27, 12:14pm until November 28, 01:00am
    Lake Effect Snow Warning November 27, 12:14pm until November 29, 01:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Thanksgiving Day

    High: 33 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Widespread blowing snow, mainly between midnight and 1am. Low around 25. Breezy, with a west wind around 24 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 25 °F

    Heavy Snow
    and Blowing
    Snow

  • Friday

    Friday: Snow before 1pm, then snow showers after 1pm. The snow could be heavy at times. Areas of blowing snow. High near 31. Breezy, with a west wind 20 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Friday Night

    Friday Night: Snow showers likely, mainly before 1am. Cloudy, with a low around 23. West wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 31. West wind around 7 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers, mainly after 1am. Low around 23. South wind 5 to 13 mph. Chance of precipitation is 80%.

    Low: 23 °F

    Chance Snow
    Showers then
    Snow Showers

  • Sunday

    Sunday: Rain and snow showers. High near 36. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

    High: 36 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow showers, mainly before 1am. Low around 21. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 21 °F

    Snow Showers

Detailed Forecast

Thanksgiving Day
Snow. The snow could be heavy at times. Areas of blowing snow. High near 33. Breezy, with a west wind 23 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly between midnight and 1am. Low around 25. Breezy, with a west wind around 24 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Friday
Snow before 1pm, then snow showers after 1pm. The snow could be heavy at times. Areas of blowing snow. High near 31. Breezy, with a west wind 20 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow showers likely, mainly before 1am. Cloudy, with a low around 23. West wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 31. West wind around 7 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
Snow showers, mainly after 1am. Low around 23. South wind 5 to 13 mph. Chance of precipitation is 80%.
Sunday
Rain and snow showers. High near 36. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Sunday Night
Snow showers, mainly before 1am. Low around 21. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Wednesday
A chance of snow showers. Partly sunny, with a high near 30. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman NY
 42.16°N 79.61°W (Elev. 1585 ft)
Last Update:
9:36 am EST Nov 27, 2025
Forecast Valid:
12pm EST Nov 27, 2025-6pm EST Dec 3, 2025
 
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