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

57°F

14°C

Humidity 96%
Wind Speed S 6 mph
Barometer 29.74 in (1007.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 Jun 7:56 am EDT
Extended Forecast for

6 Miles NNW Grand Valley PA

  • Today

    Today: Partly sunny, with a high near 73. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 58. South wind 5 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 74. Southwest wind 13 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: A slight chance of showers between 8am and 2pm. Mostly sunny, with a high near 71. West wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tonight
Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 58. South wind 5 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 74. Southwest wind 13 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Juneteenth
A slight chance of showers between 8am and 2pm. Mostly sunny, with a high near 71. West wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Monday
Showers likely. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Monday Night
A chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Grand Valley PA
 41.81°N 79.57°W (Elev. 1503 ft)
Last Update:
8:06 am EDT Jun 17, 2026
Forecast Valid:
8am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation