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.

Fair

86°F

30°C

Humidity 57%
Wind Speed W 16 G 22 mph
Barometer 30.05 in (1016.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Jul 5:56 pm EDT
Extended Forecast for

4 Miles NNE Sherman NY

Heat Advisory July 3, 05:58pm until July 3, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 3, 05:58pm until July 3, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 67 °F

    Chance
    Showers

  • Independence Day

    Independence Day: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 83. West wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 64. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. High near 80. South wind around 5 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Low around 64. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 80. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 64. Southeast wind 3 to 5 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 78. Northeast wind 5 to 7 mph becoming north in the morning. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 67. West wind 5 to 11 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 83. West wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 64. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, with thunderstorms also possible after 11am. High near 80. South wind around 5 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Low around 64. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 80. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 64. Southeast wind 3 to 5 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers. Partly sunny, with a high near 78. Northeast wind 5 to 7 mph becoming north in the morning. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Sherman NY
 42.2°N 79.57°W (Elev. 1598 ft)
Last Update:
3:57 pm EDT Jul 3, 2026
Forecast Valid:
5pm EDT Jul 3, 2026-6pm EDT Jul 10, 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