Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

71°F

22°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.81 in (1008.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 2 Aug 12:56 pm EDT
Extended Forecast for

Celoron NY

Flood Watch until August 3, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 3, 02:00am

    NOW until 2:00am Mon

    Flood Watch

  • This Afternoon

    High: 76 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am.  Low around 61. Southeast wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 76. North wind 7 to 10 mph.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. North wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light southeast wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 83. Southwest wind 3 to 6 mph.  Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 76. South wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 61. Southeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 76. North wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 56. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Light southeast wind.
Tuesday Night
Mostly clear, with a low around 61. Light and variable wind.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Celoron NY
 42.11°N 79.29°W (Elev. 1309 ft)
9:58 am EDT Aug 2, 2026
1pm EDT Aug 2, 2026-6pm EDT Aug 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database