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Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fog

53°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in (1014.0 mb)
Dewpoint 53°F (12°C)
Visibility 0.15 mi
Last update 21 Jun 5:56 am EDT
Extended Forecast for

Warren PASimilar City Names

Dense Fog Advisory until June 21, 08:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until June 21, 08:00am

    NOW until 8:00am Sun

    Dense Fog Advisory

  • Today

    High: 77 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain, then rain and possibly a thunderstorm after 3am. Low around 55. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Mostly Cloudy
    then Rain

  • Monday

    Monday: Periods of rain. High near 69. Southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Rain

  • Monday Night

    Monday Night: A chance of showers before 2am. Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. North wind 3 to 7 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
A chance of rain, then rain and possibly a thunderstorm after 3am. Low around 55. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Periods of rain. High near 69. Southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly sunny, with a high near 77. North wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Thursday 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 57. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
A chance of thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warren PASimilar City Names
 41.84°N 79.16°W (Elev. 1198 ft)
Last Update:
6:11 am EDT Jun 21, 2026
Forecast Valid:
7am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation