Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Overcast

N/A

Humidity	NA
Wind Speed	S 5 mph
Barometer	30.02 in
Dewpoint	N/A
Visibility	7.00 mi
Last update	17 Jun 3:55 am EDT

More Information:

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

Extended Forecast for

Portville NY

Today
High: 76 °F
Slight Chance
T-storms then
Showers
Likely
Tonight
Low: 63 °F
Showers
Likely then
Chance
Showers and
Patchy Fog
Wednesday
High: 81 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 65 °F
Chance
T-storms then
Chance
Showers
Juneteenth
High: 76 °F
Showers
Likely
Thursday Night
Low: 57 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 75 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 55 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 81 °F
Partly Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 81. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. 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 before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Juneteenth

Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 76. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of thunderstorms before 8pm. Partly cloudy, with a low around 57. West wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. West wind 6 to 8 mph. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Saturday

Partly sunny, with a high near 81.

Saturday Night

A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Monday

Mostly sunny and hot, with a high near 90.