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.

Fog

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 37°F (3°C)
Visibility 0.50 mi
Last update 1 Apr 1:35 pm EDT
Extended Forecast for

4 Miles ENE Great Valley NY

Flood Watch April 1, 01:43pm until April 1, 08:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 1, 01:43pm until April 1, 08:00pm

    NOW until 8:00pm Wed

    Flood Watch

  • This Afternoon

    High: 44 °F

    Showers
    Likely and
    Patchy Dense
    Fog

  • Tonight

    Tonight: Showers, mainly before 5am. Low around 36. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon. Mostly cloudy, with a high near 60. Southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 52. South wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 52. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers. Low around 40. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 40 °F

    Showers

Detailed Forecast

This Afternoon
Showers likely, mainly after 4pm. Patchy dense fog. Otherwise, cloudy, with a high near 44. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, mainly before 5am. Low around 36. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 60. Southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 52. South wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 52. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
Showers. Low around 40. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 45. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 40.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Tuesday
A chance of snow showers. Partly sunny, with a high near 36. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
Last Update:
12:19 pm EDT Apr 1, 2026
Forecast Valid:
1pm EDT Apr 1, 2026-6pm EDT Apr 7, 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