Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

78°F

26°C

Humidity	69%
Wind Speed	W 7 mph
Barometer	29.85 in (1010.2 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	27 Jul 3:56 pm EDT

More Information:

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

Extended Forecast for

Sherman NY

Tonight
Low: 62 °F
Showers
Tuesday
High: 73 °F
Showers then
Chance
T-storms
Tuesday Night
Low: 58 °F
Showers
Likely
Wednesday
High: 69 °F
Showers
Likely
Wednesday Night
Low: 57 °F
Chance
Showers
Thursday
High: 71 °F
Slight Chance
Showers
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 77 °F
Sunny
Friday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 62. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Tuesday

Showers and possibly a thunderstorm, mainly before 10am, then a chance of showers and thunderstorms after 10am. High near 73. Southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 58. Northwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 69. Northwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A slight chance of showers before 2pm. Mostly sunny, with a high near 71. North wind 9 to 11 mph. Chance of precipitation is 20%.

Thursday Night

Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

Friday

Sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 59.

Saturday

Partly sunny, with a high near 79.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.