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 29.94 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 13 Mar 4:55 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

  • Today

    Today: Snow showers before 4pm, then rain likely, possibly mixed with snow showers between 4pm and 5pm, then rain showers after 5pm. The snow could be heavy at times. High near 43. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 43 °F

    Heavy Snow
    then
    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 9pm. Low around 24. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Breezy.
    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 11 to 14 mph, with gusts as high as 32 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Snow showers likely after 2am. Increasing clouds, with a low around 22. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Partly Cloudy
    then Snow
    Showers
    Likely

  • Sunday

    Sunday: Snow showers likely, possibly mixing with rain after 11am, then gradually ending. Mostly cloudy, with a high near 52. South wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 43. South wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 63. South wind around 15 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Monday Night

    Monday Night: Rain, possibly mixed with snow showers before 2am, then a chance of snow showers. Low around 18. West wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

    Low: 18 °F

    Rain/Snow

  • Tuesday

    Tuesday: A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.

    High: 26 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Snow showers before 4pm, then rain likely, possibly mixed with snow showers between 4pm and 5pm, then rain showers after 5pm. The snow could be heavy at times. High near 43. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Rain and snow showers, becoming all snow after 9pm. Low around 24. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 11 to 14 mph, with gusts as high as 32 mph.
Saturday Night
Snow showers likely after 2am. Increasing clouds, with a low around 22. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Snow showers likely, possibly mixing with rain after 11am, then gradually ending. Mostly cloudy, with a high near 52. South wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. 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 43. South wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Monday
Showers, mainly after 8am. High near 63. South wind around 15 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.
Monday Night
Rain, possibly mixed with snow showers before 2am, then a chance of snow showers. Low around 18. West wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.08°N 78.41°W (Elev. 1470 ft)
Last Update:
4:44 am EDT Mar 13, 2026
Forecast Valid:
5am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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