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

68°F

20°C

Humidity	78%
Wind Speed	S 3 mph
Barometer	30.12 in
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	16 Jul 1:55 am EDT

More Information:

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

Extended Forecast for

2 Miles ENE Portville NY

Overnight
Low: 66 °F
Mostly Clear
Wednesday
High: 85 °F
Mostly Sunny
then T-storms
Likely
Wednesday Night
Low: 66 °F
T-storms then
Chance
Showers
Thursday
High: 83 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 58 °F
Chance
T-storms then
Slight Chance
Showers
Friday
High: 76 °F
Partly Sunny
Friday Night
Low: 53 °F
Partly Cloudy
Saturday
High: 81 °F
Mostly Sunny
then Chance
Showers
Saturday Night
Low: 62 °F
Chance
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 66. Calm wind.

Wednesday

Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms before 2am, then a chance of showers. Low around 66. South wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 83. Southwest wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. West wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Partly sunny, with a high near 76. North wind around 5 mph.

Friday Night

Partly cloudy, with a low around 53. Calm wind.

Saturday

A chance of showers after 2pm. Mostly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

Sunday

A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.

Sunday Night

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

Monday

Mostly sunny, with a high near 80.

Monday Night

Partly cloudy, with a low around 58.

Tuesday

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