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

Blizzard Conditions Are Forecast Across Parts of the Northern Plains and Upper Great Lakes

In the north-central U.S., a strong storm will continue to bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest tonight before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Read More >

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Light Rain

46°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 29.72 in
Dewpoint 46°F (8°C)
Visibility 0.25 mi
Last update 26 Nov 5:15 am EST
Extended Forecast for

Westons Mills NY

Lake Effect Snow Warning November 27, 01:00am until November 29, 01:00am
Click here for hazard details and duration
Lake Effect Snow Warning

  • Overnight

    Overnight: Showers likely. Patchy fog. Otherwise, cloudy, with a low around 44. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely, mainly before 4pm. Patchy fog before 7am. Otherwise, cloudy, with a high near 56. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 7pm, then a chance of snow showers. Mostly cloudy, with a low around 25. Southwest wind 15 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Thanksgiving Day

    Thanksgiving Day: Snow showers, mainly after 10am. Patchy blowing snow after 3pm. High near 35. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow. Patchy blowing snow before 8pm. Low around 24. West wind 15 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.

    Low: 24 °F

    Snow and
    Patchy
    Blowing Snow

  • Friday

    Friday: Snow showers. Patchy blowing snow between 10am and 11am. High near 33. West wind 13 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.

    High: 33 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 20 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 33. West wind 3 to 5 mph.

    High: 33 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow showers. Cloudy, with a low around 20. Chance of precipitation is 50%.

    Low: 20 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Showers likely. Patchy fog. Otherwise, cloudy, with a low around 44. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly before 4pm. Patchy fog before 7am. Otherwise, cloudy, with a high near 56. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain and snow showers before 7pm, then a chance of snow showers. Mostly cloudy, with a low around 25. Southwest wind 15 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thanksgiving Day
Snow showers, mainly after 10am. Patchy blowing snow after 3pm. High near 35. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow. Patchy blowing snow before 8pm. Low around 24. West wind 15 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
Friday
Snow showers. Patchy blowing snow between 10am and 11am. High near 33. West wind 13 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday
Mostly cloudy, with a high near 33. West wind 3 to 5 mph.
Saturday Night
A chance of snow showers. Cloudy, with a low around 20. Chance of precipitation is 50%.
Sunday
Rain and snow showers. High near 40. Chance of precipitation is 80%.
Sunday Night
Rain and snow showers likely. Cloudy, with a low around 24. Chance of precipitation is 60%.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.
Tuesday
Snow showers likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westons Mills NY
 42.05°N 78.35°W (Elev. 1476 ft)
Last Update:
3:36 am EST Nov 26, 2025
Forecast Valid:
5am EST Nov 26, 2025-6pm EST Dec 2, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation