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

Monsoon and Heavy Rain this Weekend

Monsoonal showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region and Southwest to the central Rockies through midweek. A tropical wave is expected to move inland in South Texas today and bring widespread rainfall and thunderstorms to the region into Tuesday. Heavy rains also possible in the central Appalachians and southern Florida. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

72°F

22°C

Humidity 53%
Wind Speed N 7 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Aug 6:56 pm EDT
Extended Forecast for

Jamestown NY

  • Tonight

    Tonight: A slight chance of showers. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.

    Slight Chance
    Showers

    Low: 56 °F

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 74. Light east wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    High: 74 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 56. East wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 56 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 76. Northeast wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 55. East wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Chance
    Showers

    Low: 55 °F

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 77. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers before 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.

    Chance
    Showers then
    Partly Cloudy

    Low: 54 °F

  • Thursday

    Thursday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 55.

    Mostly Clear

    Low: 55 °F

Detailed Forecast

Tonight
A slight chance of showers. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.
Monday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 74. Light east wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 56. East wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 76. Northeast wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 55. East wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 77. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Jamestown NY
 42.09°N 79.24°W (Elev. 1430 ft)
Last Update:
4:36 pm EDT Aug 14, 2022
Forecast Valid:
7pm EDT Aug 14, 2022-6pm EDT Aug 21, 2022
 
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Chance of Precipitation