Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

52°F

11°C

Humidity	77%
Wind Speed	Calm
Barometer	29.90 in
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	20 Jun 6:15 am EDT

More Information:

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

Extended Forecast for

Portville NY

Today
High: 71 °F
Mostly Sunny
then Slight
Chance
T-storms
Tonight
Low: 49 °F
Partly Cloudy
Sunday
High: 74 °F
Slight Chance
Showers
Sunday Night
Low: 52 °F
Slight Chance
Showers then
Showers
Likely
Monday
High: 69 °F
Showers
Monday Night
Low: 51 °F
Chance
Showers
Tuesday
High: 73 °F
Mostly Sunny
Tuesday Night
Low: 49 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 71. Light west wind increasing to 8 to 13 mph in the morning. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 49. Light and variable wind.

Sunday

A slight chance of showers. Partly sunny, with a high near 74. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

Sunday Night

Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Showers, mainly before 2pm. High near 69. East wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 51. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Mostly sunny, with a high near 73. Calm wind becoming northwest 5 to 8 mph in the morning.

Tuesday Night

Mostly clear, with a low around 49. Light north wind.

Wednesday

Sunny, with a high near 76.

Wednesday Night

A chance of showers after 2am. Partly cloudy, with a low around 52. Chance of precipitation is 30%.

Thursday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.