Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

70°F

21°C

Humidity	78%
Wind Speed	Calm
Barometer	30.13 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	14 Jul 9:55 pm EDT

More Information:

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

Extended Forecast for

Delevan NY

Tonight
Low: 62 °F
Mostly Clear
then Patchy
Fog
Tuesday
High: 86 °F
Patchy Fog
then Sunny
Tuesday Night
Low: 67 °F
Partly Cloudy
Wednesday
High: 84 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 67 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 82 °F
Showers
Likely
Thursday Night
Low: 62 °F
Showers
Likely then
Chance
T-storms
Friday
High: 74 °F
Chance
Showers
Friday Night
Low: 58 °F
Partly Cloudy

Detailed Forecast

Tonight

Patchy fog after midnight. Otherwise, mostly clear, with a low around 62. Calm wind.

Tuesday

Patchy fog before 9am. Otherwise, sunny, with a high near 86. Calm wind.

Tuesday Night

Partly cloudy, with a low around 67. Calm wind.

Wednesday

A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 84. Southwest wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. West wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. West wind 5 to 7 mph. Chance of precipitation is 60%.

Friday

A chance of showers. Mostly cloudy, with a high near 74. Northwest wind around 6 mph. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 58.

Saturday

Mostly sunny, with a high near 79.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.