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 >

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Overcast

28°F

-2°C

Humidity 64%
Wind Speed S 9 mph
Barometer 29.99 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 30 Nov 5:15 am EST
Extended Forecast for

4 Miles SW Allegany NY

  • Overnight

    Overnight: A slight chance of snow.  Mostly cloudy, with a low around 24. South wind around 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Rain and snow showers likely before 3pm, then a chance of snow showers.  Mostly cloudy, with a high near 37. South wind 16 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Showers
    Likely then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow showers.  Low around 18. Northwest wind 11 to 16 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Snow Showers

  • Monday

    Monday: Partly sunny, with a high near 29. Northwest wind 5 to 7 mph becoming calm  in the afternoon.

    High: 29 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow showers after 1am.  Low around 16. Calm wind becoming south around 6 mph after midnight.  Chance of precipitation is 80%.

    Low: 16 °F

    Mostly Cloudy
    then Snow
    Showers

  • Tuesday

    Tuesday: Snow showers, mainly before 1pm.  High near 32. South wind around 6 mph becoming northwest in the afternoon.  Chance of precipitation is 90%.

    High: 32 °F

    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. Light and variable wind.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow showers.  Mostly cloudy, with a low around 20. Chance of precipitation is 50%.

    Low: 20 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
A slight chance of snow. Mostly cloudy, with a low around 24. South wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Sunday
Rain and snow showers likely before 3pm, then a chance of snow showers. Mostly cloudy, with a high near 37. South wind 16 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow showers. Low around 18. Northwest wind 11 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 29. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Snow showers after 1am. Low around 16. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 80%.
Tuesday
Snow showers, mainly before 1pm. High near 32. South wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 90%.
Tuesday Night
Mostly cloudy, with a low around 16. Light and variable wind.
Wednesday
Partly sunny, with a high near 31. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
Thursday
Snow showers. High near 29. Chance of precipitation is 80%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 4. Chance of precipitation is 30%.
Friday
A chance of snow showers. Partly sunny, with a high near 25. Chance of precipitation is 40%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Allegany NY
 42.05°N 78.53°W (Elev. 1801 ft)
3:36 am EST Nov 30, 2025
5am EST Nov 30, 2025-6pm EST Dec 6, 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