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

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

21°F

-6°C

Humidity 86%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 13 Mar 1:35 am EDT
Extended Forecast for

Olean NY

Wind Advisory March 13, 12:00pm until March 14, 08:00am
Winter Weather Advisory March 13, 05:00pm until March 14, 08:00am
Click here for hazard details and duration
Wind Advisory
Winter Weather Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 24. Light southwest wind.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Rain and snow, becoming all rain after 5pm. High near 44. South wind 9 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 44 °F

    Snow Likely
    then
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow showers before 8pm, then snow likely. Mostly cloudy, with a low around 24. Breezy, with a west wind 16 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Breezy.
    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: A slight chance of snow showers before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 50%.

    Low: 23 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of rain and snow showers before 2pm. Mostly cloudy, with a high near 53. South wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 44. South wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 62. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

    High: 62 °F

    Showers

  • Monday Night

    Monday Night: A chance of snow showers before 2am. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.

    Low: 17 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Light southwest wind.
Friday
Rain and snow, becoming all rain after 5pm. High near 44. South wind 9 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A chance of rain and snow showers before 8pm, then snow likely. Mostly cloudy, with a low around 24. Breezy, with a west wind 16 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow showers before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 50%.
Sunday
A chance of rain and snow showers before 2pm. Mostly cloudy, with a high near 53. South wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 44. South wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Monday
Showers, mainly after 8am. High near 62. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Monday Night
A chance of snow showers before 2am. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Tuesday
A chance of snow showers after 8am. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.08°N 78.44°W (Elev. 1453 ft)
Last Update:
9:58 pm EDT Mar 12, 2026
Forecast Valid:
1am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation