Severe Thunderstorms and Heavy Rain Across the Central US; Wintry Mix in the Northern Plains and Northeast

Severe thunderstorms and flash flooding are possible across the central U.S. through Saturday. Large hail, damaging winds, and tornadoes are all possible. There is an increased threat for wildfire development in the southern to central High Plains. A wintry mix of snow, sleet and freezing rain are forecast across portions of the northern Plains and central New England into early Friday morning. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fog

32°F

0°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.11 in
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Last update 6 Mar 3:15 am EST
Extended Forecast for

4 Miles ENE Great Valley NY

  • Overnight

    Overnight: Areas of dense fog.  Otherwise, mostly cloudy, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Areas Dense
    Fog

  • Friday

    Friday: Areas of dense fog before 11am.  Otherwise, mostly cloudy, with a high near 56. South wind 3 to 6 mph.

    High: 56 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers between 9pm and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 47. South wind 6 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm.  High near 66. South wind 9 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 37. West wind 8 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 50. West wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Southwest wind around 7 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 30. Southwest wind around 5 mph.
Friday
Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 56. South wind 3 to 6 mph.
Friday Night
A slight chance of showers between 9pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 47. South wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 66. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 37. West wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 50. West wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 38. Southwest wind around 7 mph.
Monday
Sunny, with a high near 60. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 42.
Tuesday
A chance of showers after 1pm. Partly sunny, with a high near 58. Chance of precipitation is 40%.
Tuesday Night
Showers. Low around 45. Chance of precipitation is 80%.
Wednesday
Showers. High near 57. Chance of precipitation is 90%.
Wednesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
2:15 am EST Mar 6, 2026
3am EST Mar 6, 2026-6pm EDT Mar 12, 2026
 
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