Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Overcast

25°F

-4°C

Humidity 74%
Wind Speed Calm
Barometer 30.40 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 29 Nov 11:15 am EST
Extended Forecast for

Olean NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 34. West wind around 5 mph becoming calm.

    High: 34 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow showers, mainly between 1am and 3am.  Low around 24. Light southeast wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers

  • Sunday

    Sunday: Snow showers, possibly mixed with rain.  High near 40. South wind 13 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow showers, possibly mixed with rain, becoming all snow after 7pm.  Low around 19. Southwest wind 9 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Rain/Snow
    then Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 31. Northwest wind 5 to 7 mph becoming calm  in the afternoon.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow showers likely after 1am.  Mostly cloudy, with a low around 16. Calm wind.  Chance of precipitation is 60%.

    Low: 16 °F

    Mostly Cloudy
    then Snow
    Showers
    Likely

  • Tuesday

    Tuesday: Snow showers.  High near 33. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 80%.

    High: 33 °F

    Snow Showers

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 1am.  Mostly cloudy, with a low around 17. Calm wind.  Chance of precipitation is 40%.

    Low: 17 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 34. West wind around 5 mph becoming calm.
Tonight
Snow showers, mainly between 1am and 3am. Low around 24. Light southeast wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow showers, possibly mixed with rain. High near 40. South wind 13 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Snow showers, possibly mixed with rain, becoming all snow after 7pm. Low around 19. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
Partly sunny, with a high near 31. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Snow showers likely after 1am. Mostly cloudy, with a low around 16. Calm wind. Chance of precipitation is 60%.
Tuesday
Snow showers. High near 33. Calm wind becoming southwest around 5 mph. Chance of precipitation is 80%.
Tuesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 17. Calm wind. Chance of precipitation is 40%.
Wednesday
Mostly cloudy, with a high near 32.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 50%.
Thursday
Snow showers likely. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.08°N 78.44°W (Elev. 1453 ft)
9:36 am EST Nov 29, 2025
12pm EST Nov 29, 2025-6pm EST Dec 5, 2025
 
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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