Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

71°F

22°C

Humidity 81%
Wind Speed W 15 mph
Barometer 29.99 in (1015.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 27 Aug 11:56 am EDT
Extended Forecast for

Jamestown West NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly before 5pm.  Partly sunny, with a high near 78. West wind around 10 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers after 1am.  Increasing clouds, with a low around 58. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Light north wind.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Southwest wind 3 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 64. South wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 2pm.  Mostly cloudy, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 78. West wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers after 1am. Increasing clouds, with a low around 58. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A slight chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 53. Light north wind.
Saturday
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 56. Calm wind.
Sunday
Mostly sunny, with a high near 81. Southwest wind 3 to 7 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64. South wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
A chance of showers before 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 66.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown West NY
 42.09°N 79.29°W (Elev. 1385 ft)
9:57 am EDT Aug 27, 2026
12pm EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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