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

Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

29°F

-2°C

Humidity 41%
Wind Speed SE 6 mph
Barometer 30.39 in (1032.4 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 2 Mar 8:56 pm EST
Extended Forecast for

Sherman NYSimilar City Names

Winter Weather Advisory March 3, 07:00am until March 3, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Southeast wind around 7 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of freezing rain between 8am and 10am, then rain likely. Mostly cloudy, with a high near 37. South wind 6 to 8 mph. Chance of precipitation is 70%. Little or no ice accumulation expected.

    High: 37 °F

    Chance
    Rain/Freezing
    Rain then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely before 1am. Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Partly sunny, with a high near 49. Light east wind. Chance of precipitation is 20%.

    High: 49 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 38. Light southeast wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 54. South wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers. Low around 43. South wind around 8 mph becoming southwest after midnight. Chance of precipitation is 80%.

    Low: 43 °F

    Showers

  • Friday

    Friday: A chance of showers before 1pm. Mostly cloudy, with a high near 56. Southwest wind around 8 mph. Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. Southeast wind around 7 mph.
Tuesday
A chance of freezing rain between 8am and 10am, then rain likely. Mostly cloudy, with a high near 37. South wind 6 to 8 mph. Chance of precipitation is 70%. Little or no ice accumulation expected.
Tuesday Night
Rain likely before 1am. Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of rain after 1pm. Partly sunny, with a high near 49. Light east wind. Chance of precipitation is 20%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Light southeast wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 54. South wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers. Low around 43. South wind around 8 mph becoming southwest after midnight. Chance of precipitation is 80%.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 56. Southwest wind around 8 mph. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Saturday
Showers. High near 65. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman NYSimilar City Names
 42.16°N 79.61°W (Elev. 1585 ft)
Last Update:
6:57 pm EST Mar 2, 2026
Forecast Valid:
9pm EST Mar 2, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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