Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Overcast

59°F

15°C

Humidity	100%
Wind Speed	Calm
Barometer	30.14 in
Dewpoint	59°F (15°C)
Visibility	7.00 mi
Last update	16 Jun 9:35 am EDT

More Information:

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

Extended Forecast for

Portville NY

Today
High: 73 °F
Patchy Fog
then Slight
Chance
Showers
Tonight
Low: 60 °F
Mostly Cloudy
then Chance
Showers
Tuesday
High: 73 °F
Showers
Likely
Tuesday Night
Low: 64 °F
Showers
Likely
Wednesday
High: 83 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 65 °F
Chance
T-storms then
Chance
Showers
Juneteenth
High: 77 °F
Showers
Likely
Thursday Night
Low: 56 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 75 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 73. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.

Tonight

A slight chance of showers before 8pm, then a chance of showers after midnight. Mostly cloudy, with a low around 60. South wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 73. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 64. South wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 83. West 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. Mostly cloudy, with a low around 65. Southwest wind around 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, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Thursday Night

A chance of thunderstorms before 8pm. Partly cloudy, with a low around 56. West wind 5 to 7 mph. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 75.

Friday Night

Partly cloudy, with a low around 54.

Saturday

Mostly sunny, with a high near 82.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.