Widespread Damaging Winds Likely in the Northern Plains; Heat Continues in the Central and Southeast U.S.

Severe thunderstorms, heavy rainfall, and flooding are possible from the northern Rockies into the Upper Midwest. A derecho is likely across portions of the northern Plains, with several gusts expected to exceed 75 mph. Extreme heat is expected to intensify across much of the Southeast and Tennessee Valley, continuing through much of this week. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

70°F

21°C

Humidity	60%
Wind Speed	Calm
Barometer	30.12 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	29 Jul 1:35 am EDT

More Information:

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

Extended Forecast for

Delevan NY

Overnight
Low: 64 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny then
Slight Chance
Showers
Tuesday Night
Low: 65 °F
Mostly Clear
Wednesday
High: 84 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 61 °F
Partly Cloudy
then Chance
Showers
Thursday
High: 71 °F
Chance
Showers
Thursday Night
Low: 53 °F
Partly Cloudy
Friday
High: 72 °F
Sunny
Friday Night
Low: 50 °F
Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 64. West wind around 5 mph becoming calm.

Tuesday

A slight chance of showers between 2pm and 3pm. Sunny, with a high near 87. Calm wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 65. North wind around 5 mph becoming calm in the evening.

Wednesday

A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Light and variable wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 61. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Northeast 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.

Thursday Night

Partly cloudy, with a low around 53. Northeast wind around 7 mph.

Friday

Sunny, with a high near 72. Northeast wind 6 to 8 mph.

Friday Night

Clear, with a low around 50.

Saturday

Sunny, with a high near 74.

Saturday Night

Mostly clear, with a low around 51.

Sunday

Sunny, with a high near 79.