Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Overcast

N/A

Humidity NA
Wind Speed Calm
Barometer 29.75 in
Dewpoint N/A
Visibility 10.00 mi
Last update 3 Aug 1:15 am EDT
Extended Forecast for

3 Miles ESE Great Valley NY

Flood Watch August 3, 01:30am until August 3, 02:00am
Click here for hazard details and duration
...
  •  
    Flood Watch August 3, 01:30am until August 3, 02:00am

    NOW until 2:00am Mon

    Flood Watch

  • Overnight

    Low: 60 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 81. Light south wind.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 61. Light south wind.  Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm.  Partly sunny, with a high near 80. South wind 3 to 5 mph.  Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Light west wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 52. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Calm wind.
Tuesday Night
Mostly clear, with a low around 56. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Light south wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 61. Light south wind. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 80. South wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Great Valley NY
 42.2°N 78.54°W (Elev. 1647 ft)
9:58 pm EDT Aug 2, 2026
1am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
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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