Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Partly Cloudy

68°F

20°C

Humidity	35%
Wind Speed	SW 3 mph
Barometer	29.83 in
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Last update	16 Jun 2:55 pm EDT

More Information:

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

Extended Forecast for

4 Miles SW Allegany NY

Tonight
Low: 51 °F
Partly Cloudy
then Chance
Showers
Wednesday
High: 73 °F
Mostly Sunny
Wednesday Night
Low: 55 °F
Showers
Thursday
High: 74 °F
Showers
Thursday Night
Low: 52 °F
Chance
Showers
Juneteenth
High: 69 °F
Slight Chance
Showers then
Slight Chance
T-storms
Friday Night
Low: 49 °F
Partly Cloudy
Saturday
High: 67 °F
Mostly Sunny
Saturday Night
Low: 49 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers, mainly after 2am. Partly cloudy, with a low around 51. South wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Mostly sunny, with a high near 73. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.

Wednesday Night

A chance of showers, then showers and possibly a thunderstorm after 11pm. Low around 55. South wind 5 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Showers, with thunderstorms also possible after 2pm. High near 74. West wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 52. West wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Juneteenth

A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 69. West wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 49. West wind 6 to 9 mph, with gusts as high as 20 mph.

Saturday

Mostly sunny, with a high near 67. West wind 10 to 13 mph, with gusts as high as 24 mph.

Saturday Night

Partly cloudy, with a low around 49.

Sunday

Mostly sunny, with a high near 71.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 69. Chance of precipitation is 50%.