National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

68°F

20°C

Humidity 78%
Wind Speed NE 5 mph
Barometer 30.12 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 30 Jul 11:35 pm EDT
Extended Forecast for

3 Miles SW Delevan NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Northeast wind 3 to 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers. High near 67. Northeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 53. Northeast wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 71. Northeast wind around 8 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Northeast wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Calm wind becoming north around 6 mph in the afternoon.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. Northeast wind 3 to 5 mph.
Thursday
Showers. High near 67. Northeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 53. Northeast wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 71. Northeast wind around 8 mph.
Friday Night
Mostly clear, with a low around 50. Northeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 74. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 53. Calm wind.
Sunday
Sunny, with a high near 78. Calm wind.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Delevan NY
 42.46°N 78.52°W (Elev. 1772 ft)
Last Update:
10:37 pm EDT Jul 30, 2025
Forecast Valid:
11pm EDT Jul 30, 2025-6pm EDT Aug 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation