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

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

52°F

11°C

Humidity 80%
Wind Speed NE 7 mph
Barometer 30.18 in (1022.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 15 Oct 12:56 am EDT
Extended Forecast for

Warren South PA

  • Overnight

    Overnight: Cloudy, with a low around 45. Northeast wind 3 to 5 mph.

    Low: 45 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 70. Light and variable wind becoming southeast around 5 mph in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2am. Low around 57. Southeast wind 6 to 8 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Slight Chance
    T-storms then
    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 2pm, then showers likely, mainly between 2pm and 4pm. High near 70. Southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. North wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow showers before 8am. Mostly sunny, with a high near 49. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance
    Rain/Snow
    then Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after midnight. Otherwise, clear, with a low around 30.

    Low: 30 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 62.

    High: 62 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a low around 45. Northeast wind 3 to 5 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 70. Light and variable wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2am. Low around 57. Southeast wind 6 to 8 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain and possibly a thunderstorm before 2pm, then showers likely, mainly between 2pm and 4pm. High near 70. Southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. North wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 49. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Widespread frost, mainly after midnight. Otherwise, clear, with a low around 30.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 32.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warren South PA
 41.84°N 79.16°W (Elev. 1198 ft)
Last Update:
12:56 am EDT Oct 15, 2026
Forecast Valid:
1am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation