Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Partly Cloudy

73°F

23°C

Humidity 53%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Aug 12:55 pm EDT
Extended Forecast for

Olean NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 83. Light north wind.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm  after midnight.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 66. Light southwest wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers

  • Monday

    Monday: A chance of showers, mainly before 8am.  Partly sunny, with a high near 78. Northwest wind 3 to 8 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 55. Light north wind.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 83. Light north wind.
Tonight
Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm after midnight.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 66. Light southwest wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, mainly before 8am. Partly sunny, with a high near 78. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 55. Light north wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55. Calm wind.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.08°N 78.44°W (Elev. 1453 ft)
12:17 pm EDT Aug 15, 2026
1pm EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database