Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

70°F

21°C

Humidity	60%
Wind Speed	Calm
Barometer	30.12 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	16 Jul 12:35 am EDT

More Information:

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

Extended Forecast for

4 Miles E Great Valley NY

Overnight
Low: 65 °F
Mostly Clear
Wednesday
High: 82 °F
Slight Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 66 °F
Showers
Likely
Thursday
High: 80 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 58 °F
Showers
Likely
Friday
High: 72 °F
Partly Sunny
Friday Night
Low: 53 °F
Mostly Clear
Saturday
High: 76 °F
Mostly Sunny
Saturday Night
Low: 60 °F
Chance
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 65. Calm wind.

Wednesday

Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 82. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Light southwest wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. West wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 58. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Partly sunny, with a high near 72. North wind 3 to 5 mph.

Friday Night

Mostly clear, with a low around 53. Calm wind.

Saturday

Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

Saturday Night

A chance of showers after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

Sunday

A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.

Sunday Night

A chance of thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 30%.