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.

Partly Cloudy

73°F

23°C

Humidity 74%
Wind Speed SW 10 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 27 Aug 12:56 pm EDT
Extended Forecast for

4 Miles WNW Clymer NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 3pm, then a slight chance of showers.  Mostly sunny, with a high near 75. West wind around 9 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly between 11pm and 5am.  Partly cloudy, with a low around 57. Light west wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming north 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Light and variable wind.

    High: 76 °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 79. Southwest wind 3 to 6 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight.  Chance of precipitation is 30%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am.  Mostly cloudy, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 3pm, then a slight chance of showers. Mostly sunny, with a high near 75. West wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers, mainly between 11pm and 5am. Partly cloudy, with a low around 57. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 76. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 56. Calm wind.
Sunday
Mostly sunny, with a high near 79. Southwest wind 3 to 6 mph.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%.
Monday
A chance of showers before 8am. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 66.
Tuesday
Partly sunny, with a high near 82.
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 80. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Clymer NY
 42.06°N 79.74°W (Elev. 1608 ft)
9:57 am EDT Aug 27, 2026
1pm EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database