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

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Mostly Cloudy

18°F

-8°C

Humidity 73%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 18 Jan 3:15 am EST
Extended Forecast for

2 Miles SW Delevan NY

Winter Storm Warning January 19, 07:00am until January 21, 03:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: A chance of snow showers. Mostly cloudy, with a low around 13. Southwest wind around 14 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 13 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 18. Southwest wind 9 to 14 mph.

    High: 18 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly after 5am. Mostly cloudy, with a low around 11. Southwest wind 8 to 14 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • M.L.King Day

    M.L.King Day: Snow showers likely, mainly after 7am. Patchy blowing snow after 2pm. Mostly cloudy, with a high near 20. West wind 10 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 20 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Snow showers. Low around 3. West wind 10 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

    Low: 3 °F

    Snow Showers

  • Tuesday

    Tuesday: A chance of snow showers. Mostly cloudy and cold, with a high near 9. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 9 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 3. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 3 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers likely. Mostly cloudy, with a high near 27. South wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 27 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
A chance of snow showers. Mostly cloudy, with a low around 13. Southwest wind around 14 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 18. Southwest wind 9 to 14 mph.
Sunday Night
A chance of snow showers, mainly after 5am. Mostly cloudy, with a low around 11. Southwest wind 8 to 14 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
M.L.King Day
Snow showers likely, mainly after 7am. Patchy blowing snow after 2pm. Mostly cloudy, with a high near 20. West wind 10 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
Snow showers. Low around 3. West wind 10 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Tuesday
A chance of snow showers. Mostly cloudy and cold, with a high near 9. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 3. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 27. South wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 19. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 40%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 19. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Delevan NY
 42.46°N 78.52°W (Elev. 1772 ft)
Last Update:
4:37 am EST Jan 18, 2026
Forecast Valid:
4am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation