Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

63°F

17°C

Humidity 100%
Wind Speed N 9 mph
Barometer 29.76 in (1007.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 29 Jul 3:56 am EDT
Extended Forecast for

Jamestown NY

  • Today

    Today: Partly sunny, with a high near 73. Northwest wind 7 to 13 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Northwest wind 5 to 8 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. North wind 7 to 10 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, mostly clear, with a low around 55. Light north wind.

    Low: 55 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, sunny, with a high near 82. Light northwest wind.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 83. South wind 3 to 5 mph.

    High: 83 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 2am.  Mostly cloudy, with a low around 62. Light southeast wind.  Chance of precipitation is 60%.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 8am.  Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 73. Northwest wind 7 to 13 mph.
Tonight
Partly cloudy, with a low around 56. Northwest wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 76. North wind 7 to 10 mph.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 55. Light north wind.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 82. Light northwest wind.
Friday Night
Mostly cloudy, with a low around 59. Calm wind.
Saturday
Mostly cloudy, with a high near 83. South wind 3 to 5 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 62. Light southeast wind. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Monday Night
A chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown NY
 42.09°N 79.24°W (Elev. 1430 ft)
3:57 am EDT Jul 29, 2026
4am EDT Jul 29, 2026-6pm EDT Aug 4, 2026
 
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Additional Resources

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