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Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

73°F

23°C

Humidity 76%
Wind Speed SW 12 mph
Barometer 29.90 in (1011.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 12 Aug 3:56 pm EDT
Extended Forecast for

Warren PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 79. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 81 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 83. Light north wind.

    High: 83 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

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

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 79. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 83. Light north wind.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warren PA
 41.84°N 79.16°W (Elev. 1198 ft)
Last Update:
2:41 pm EDT Aug 12, 2026
Forecast Valid:
4pm EDT Aug 12, 2026-6pm EDT Aug 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation