Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

73°F

23°C

Humidity 36%
Wind Speed S 5 mph
Barometer 30.22 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 24 Jul 1:55 pm EDT
Extended Forecast for

Olean NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. South wind around 7 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the morning.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers.  Partly cloudy, with a low around 59. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 11am.  Mostly cloudy, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 60%.

    High: 83 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am.  Mostly cloudy, with a low around 61. Calm wind.  Chance of precipitation is 70%.

    Low: 61 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 2pm.  High near 79. Chance of precipitation is 90%.

    High: 79 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 80. South wind around 7 mph.
Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 53. Light and variable wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 56. Calm wind.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 70%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 79. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 58. Chance of precipitation is 80%.
Wednesday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.1°N 78.43°W (Elev. 1493 ft)
1:57 pm EDT Jul 24, 2026
2pm EDT Jul 24, 2026-6pm EDT Jul 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database