Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

A Few Clouds

83°F

28°C

Humidity 55%
Wind Speed N 6 mph
Barometer 30.11 in (1018.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 30 Jul 1:56 pm EDT
Extended Forecast for

4 Miles WSW Clymer NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. North wind around 6 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 62. Northeast wind 3 to 6 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Cloudy, with a high near 72. Northeast wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Northeast wind 8 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 74. Northeast wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51. Northeast wind 5 to 9 mph becoming calm  after midnight.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Calm wind becoming north 5 to 7 mph in the morning.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. North wind around 6 mph.
Tonight
Increasing clouds, with a low around 62. Northeast wind 3 to 6 mph.
Thursday
Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 72. Northeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Northeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 74. Northeast wind 9 to 13 mph, with gusts as high as 23 mph.
Friday Night
Clear, with a low around 51. Northeast wind 5 to 9 mph becoming calm after midnight.
Saturday
Sunny, with a high near 76. Calm wind becoming north 5 to 7 mph in the morning.
Saturday Night
Clear, with a low around 54. Light and variable wind.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Clymer NY
 42.02°N 79.75°W (Elev. 1424 ft)
1:37 pm EDT Jul 30, 2025
2pm EDT Jul 30, 2025-6pm EDT Aug 5, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database