Hazardous Weather Conditions
Current conditions at
Jamestown, Chautauqua County/Jamestown Airport (KJHW)
Lat: 42.15°NLon: 79.27°WElev: 1722ft.
Mostly Cloudy
73°F
23°C
| Humidity | 100% |
| Wind Speed | SW 6 mph |
| Barometer | 30.05 in (1016.9 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Last update | 1 Sep 8:56 pm EDT |
Extended Forecast for
3 Miles ESE Youngsville PA
Severe T-storm Watch September 1, 09:15pm until September 2, 12:00am
NOW until 12:00am Wed
Severe T-storm Watch
Tonight
Low: 69 °F
Patchy Fog
then Chance
T-storms and
Patchy FogWednesday
High: 89 °F
Severe
Thunderstorms
and Patchy
FogWednesday Night
Low: 69 °F
Severe
ThunderstormsThursday
High: 83 °F
Showers
LikelyThursday Night
Low: 66 °F
Showers
LikelyFriday
High: 82 °F
Partly Sunny
then Chance
ShowersFriday Night
Low: 58 °F
Chance
Showers then
Partly CloudySaturday
High: 77 °F
Mostly Sunny
Detailed Forecast
Tonight
A chance of showers and thunderstorms, mainly after 5am. Patchy fog before midnight, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. Patchy fog before 8am. Otherwise, partly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%. 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 before 10pm, then showers likely and possibly a thunderstorm between 10pm and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 69. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy, with a high near 83. Southwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 66. Light west wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 55.
Labor Day
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 77.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Youngsville PA
41.85°N 79.24°W (Elev. 1198 ft)
41.85°N 79.24°W (Elev. 1198 ft)
8:11 pm EDT Sep 1, 2026
9pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026
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