Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

71°F

22°C

Humidity 59%
Wind Speed S 12 mph
Barometer 30.23 in (1024.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Sep 5:56 pm EDT
Extended Forecast for

Jamestown NYSimilar City Names

  • Tonight

    Tonight: A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 5am, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 61. South wind 5 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 78. Light and variable wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 77. Light and variable wind becoming west 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 8pm.  Mostly cloudy, with a low around 56. Light north wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. Light north wind increasing to 5 to 9 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. Northeast wind around 6 mph becoming light and variable  after midnight.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm.  Mostly cloudy, with a high near 71. South wind 5 to 7 mph.  Chance of precipitation is 50%.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm.  Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 61. South wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Light and variable wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 56. Light north wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 72. Light north wind increasing to 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 50. Northeast wind around 6 mph becoming light and variable after midnight.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 71. South wind 5 to 7 mph. Chance of precipitation is 50%.
Saturday Night
Showers, mainly after 8pm. Low around 58. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 2pm. Cloudy, with a high near 73. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown NYSimilar City Names
 42.09°N 79.24°W (Elev. 1430 ft)
6:36 pm EDT Sep 15, 2026
6pm EDT Sep 15, 2026-6pm EDT Sep 22, 2026
 
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