Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

61°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.10 in (1019.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Jun 2:56 am EDT
Extended Forecast for

Celoron NY

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly between 4pm and 5pm.  Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Light east wind.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph after midnight.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92. Southwest wind 5 to 10 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Saturday
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 58. Light east wind.
Sunday
Mostly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph after midnight.
Tuesday
Mostly sunny and hot, with a high near 92. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 93.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 93.
Thursday Night
Partly cloudy, with a low around 71.
Friday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Celoron NY
 42.11°N 79.29°W (Elev. 1309 ft)
2:22 am EDT Jun 27, 2026
3am EDT Jun 27, 2026-6pm EDT Jul 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database