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.

Fair

72°F

22°C

Humidity 41%
Wind Speed S 12 G 18 mph
Barometer 29.78 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Apr 2:15 pm EDT
Extended Forecast for

4 Miles SW Allegany NY

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a high near 75. South wind around 17 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain showers before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 34. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Showers then
    Rain/Snow

  • Sunday

    Sunday: A slight chance of snow showers between 8am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 45. West wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Snow showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 23. West wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Showers
    Likely

  • Monday

    Monday: A slight chance of snow showers before 2pm. Partly sunny, with a high near 37. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 40. Southwest wind around 6 mph. Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a high near 75. South wind around 17 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain showers before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 34. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday
A slight chance of snow showers between 8am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 45. West wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Sunday Night
Snow showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 23. West wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow showers before 2pm. Partly sunny, with a high near 37. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 54. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 40. Southwest wind around 6 mph. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Allegany NY
 42.05°N 78.53°W (Elev. 1801 ft)
Last Update:
2:24 pm EDT Apr 18, 2026
Forecast Valid:
2pm EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation