Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Thunderstorm in Vicinity

N/A

Humidity	NA
Wind Speed	Calm
Barometer	29.78 in
Dewpoint	N/A
Visibility	10.00 mi
Last update	28 Jul 2:15 am EDT

More Information:

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

Extended Forecast for

Olean NY

Flash Flood Warning until July 28, 05:30am

Click here for hazard details and duration

Flash Flood Warning

Flash Flood Warning until July 28, 05:30am
NOW until 5:30am Tue
Flash Flood Warning
Overnight
Low: 63 °F
Showers
Likely
Tuesday
High: 75 °F
Showers
Tuesday Night
Low: 59 °F
Showers
Likely
Wednesday
High: 70 °F
Showers
Likely
Wednesday Night
Low: 56 °F
Showers
Likely
Thursday
High: 75 °F
Slight Chance
Showers then
Slight Chance
T-storms
Thursday Night
Low: 54 °F
Partly Cloudy
Friday
High: 80 °F
Mostly Sunny

Detailed Forecast

Overnight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers and possibly a thunderstorm. High near 75. South wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Northwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely before 2am. Mostly cloudy, with a low around 56. Northwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. North wind 6 to 9 mph. Chance of precipitation is 20%.

Thursday Night

Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

Friday

Mostly sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 55.

Saturday

Partly sunny, with a high near 81.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.