Threats For Heavy Rain and Severe Thunderstorms Continue in the Plains; Fire Weather Conditions Worsen in the Southwest

On Monday and Tuesday, the focus for heavy rain and severe thunderstorms will continue in the Plains and central Mississippi River Valley. Meanwhile, hot conditions and Critical Fire Weather looms over the Great Basin and Southwest U.S. through midweek. 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	Calm
Barometer	30.11 in
Dewpoint	N/A
Visibility	10.00 mi
Last update	16 Jun 5:35 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%.