Hazardous Weather Conditions
Current conditions at
Jamestown, Chautauqua County/Jamestown Airport (KJHW)
Lat: 42.15°NLon: 79.27°WElev: 1722ft.
Mostly Cloudy
80°F
27°C
| Humidity | 85% |
| Wind Speed | W 9 mph |
| Barometer | 30.04 in (1016.2 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 1 Sep 11:56 am EDT |
Extended Forecast for
2 Miles ESE Youngsville PA
This Afternoon
High: 84 °F
Partly Sunny
Tonight
Low: 69 °F
Patchy Fog
then Chance
T-storms and
Patchy FogWednesday
High: 89 °F
Severe
ThunderstormsWednesday Night
Low: 69 °F
Severe
ThunderstormsThursday
High: 82 °F
Showers
LikelyThursday Night
Low: 65 °F
Showers
LikelyFriday
High: 81 °F
Partly Sunny
then Chance
ShowersFriday Night
Low: 59 °F
Chance
Showers then
Partly CloudySaturday
High: 79 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 84. West wind around 8 mph.
Tonight
A chance of showers and thunderstorms, mainly after 5am. Some of the storms could be severe. Patchy fog after 11pm. 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. Partly sunny, with a high near 89. Calm wind becoming west 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 5 mph becoming calm in the evening. 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 82. 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 65. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 56.
Labor Day
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ESE Youngsville PA
41.85°N 79.27°W (Elev. 1339 ft)
41.85°N 79.27°W (Elev. 1339 ft)
12:23 pm EDT Sep 1, 2026
12pm EDT Sep 1, 2026-6pm EDT Sep 7, 2026
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