Hurricane Isaias to Approach the Northern Gulf Coast on Friday
Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >
Current conditions at
Jamestown, Chautauqua County/Jamestown Airport (KJHW)
Lat: 42.15°NLon: 79.27°WElev: 1722ft.
A Few Clouds
60°F
16°C
| Humidity | 53% |
| Wind Speed | NW 15 G 20 mph |
| Barometer | 29.98 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 11:56 am EDT |
Extended Forecast for
5 Miles NNW Grand Valley PA
This Afternoon
High: 65 °F
Mostly Sunny
Tonight
Low: 42 °F
Mostly Clear
Friday
High: 65 °F
Sunny
Friday Night
Low: 42 °F
Mostly Clear
Saturday
High: 71 °F
Mostly Sunny
Saturday Night
Low: 53 °F
Mostly Cloudy
then Chance
RainSunday
High: 62 °F
Rain
Sunday Night
Low: 55 °F
Showers
LikelyColumbus Day
High: 70 °F
Chance
Showers then
Partly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 65. West wind around 11 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 42. West wind 3 to 5 mph.
Friday
Sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 42. Calm wind.
Saturday
Mostly sunny, with a high near 71. South wind 5 to 7 mph.
Saturday Night
A chance of rain after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Sunday
Rain, mainly after 8am. High near 62. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 2am. Cloudy, with a low around 55. Chance of precipitation is 60%.
Columbus Day
A chance of showers before 8am. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 56.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles NNW Grand Valley PA
41.79°N 79.58°W (Elev. 1696 ft)
41.79°N 79.58°W (Elev. 1696 ft)
12:03 pm EDT Oct 8, 2026
12pm EDT Oct 8, 2026-6pm EDT Oct 14, 2026
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