National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Light Rain

68°F

20°C

Humidity 100%
Wind Speed SW 8 mph
Barometer 29.72 in (1005.9 mb)
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 2 Aug 8:56 pm EDT
Extended Forecast for

Warren PA

Flood Watch August 2, 09:43pm until August 3, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 2, 09:43pm until August 3, 02:00am

    NOW until 2:00am Mon

    Flood Watch

  • Tonight

    Low: 63 °F

    Heavy Rain
    then Showers
    Likely

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 77. North wind 3 to 7 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 63. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 77. North wind 3 to 7 mph.
Monday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 54. Light and variable wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Calm wind.
Tuesday Night
Partly cloudy, with a low around 58. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. 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, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
Showers likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warren PA
 41.84°N 79.13°W (Elev. 1260 ft)
Last Update:
8:11 pm EDT Aug 2, 2026
Forecast Valid:
9pm EDT Aug 2, 2026-6pm EDT Aug 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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