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

3 Miles WSW Great Valley 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: Snow before 3pm, then rain and snow between 3pm and 5pm, then rain likely after 5pm. High near 43. South wind 11 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 43 °F

    Snow 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 23. Breezy, with a west wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Rain/Snow
    Likely and
    Breezy then
    Snow Likely

  • Saturday

    Saturday: A chance of snow showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 35. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely after 2am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 60%.

    Low: 23 °F

    Partly Cloudy
    then Snow
    Showers
    Likely

  • Sunday

    Sunday: Snow showers likely, possibly mixed with rain, mainly before 8am. Mostly cloudy, with a high near 52. South wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 43. South wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 61. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Monday Night

    Monday Night: A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.

    Low: 16 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Light southwest wind.
Friday
Snow before 3pm, then rain and snow between 3pm and 5pm, then rain likely after 5pm. High near 43. South wind 11 to 16 mph, with gusts as high as 37 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 23. Breezy, with a west wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
A chance of snow showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 35. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow showers likely after 2am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 60%.
Sunday
Snow showers likely, possibly mixed with rain, mainly before 8am. Mostly cloudy, with a high near 52. South wind 6 to 13 mph, with gusts as high as 25 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 16 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Monday
Showers, mainly after 8am. High near 61. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Great Valley NY
 42.19°N 78.66°W (Elev. 1499 ft)
Last Update:
9:58 pm EDT Mar 12, 2026
Forecast Valid:
1am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation