Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

74°F

23°C

Humidity	94%
Wind Speed	S 8 mph
Barometer	29.73 in (1006.0 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	2 Aug 5:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Conewango Valley NY

Flood Watch August 2, 06:53pm until August 3, 02:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 2, 06:53pm until August 3, 02:00am
NOW until 2:00am Mon
Flood Watch
Tonight
Low: 59 °F
T-storms then
Showers
Likely
Monday
High: 73 °F
Gradual
Clearing
Monday Night
Low: 52 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 82 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 62 °F
Chance
T-storms
Thursday
High: 82 °F
Showers
Likely

Detailed Forecast

Tonight

Showers and thunderstorms before 2am, then a chance of showers. Low around 59. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

Cloudy through mid morning, then gradual clearing, with a high near 73. Northwest wind 7 to 11 mph.

Monday Night

Mostly clear, with a low around 52. Calm wind.

Tuesday

Sunny, with a high near 80. Calm wind.

Tuesday Night

Mostly clear, with a low around 58. Light and variable wind.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Southwest wind around 6 mph. Chance of precipitation is 40%. 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. Mostly cloudy, with a low around 62. Light south wind. Chance of precipitation is 30%.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. South wind 5 to 7 mph. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

Friday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

Saturday

A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.