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

46°F

8°C

Humidity 93%
Wind Speed W 16 mph
Barometer 29.78 in (1008.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 8 Mar 3:56 am EDT
Extended Forecast for

Warren South PA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 57. West wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 57 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Southwest wind around 6 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. South wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Southwest wind 3 to 7 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 71. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 2am, then rain and snow showers. Low around 30. Chance of precipitation is 90%.

    Low: 30 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Snow showers, mainly before 8am. High near 34. Chance of precipitation is 80%.

    High: 34 °F

    Snow Showers
    then Chance
    Snow Showers

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 57. West wind 6 to 10 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 42. Southwest wind around 6 mph.
Monday
Sunny, with a high near 66. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 47. South wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 70. Southwest wind 3 to 7 mph.
Tuesday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers. High near 71. Chance of precipitation is 90%.
Wednesday Night
Rain showers before 2am, then rain and snow showers. Low around 30. Chance of precipitation is 90%.
Thursday
Snow showers, mainly before 8am. High near 34. Chance of precipitation is 80%.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Rain and snow showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warren South PA
 41.84°N 79.16°W (Elev. 1198 ft)
Last Update:
4:01 am EDT Mar 8, 2026
Forecast Valid:
4am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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