Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

46°F

8°C

Humidity 40%
Wind Speed S 14 G 22 mph
Barometer 29.97 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 15 Mar 1:35 pm EDT
Extended Forecast for

3 Miles ESE Great Valley NY

Wind Advisory March 15, 05:00pm until March 16, 08:00pm
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 53. South wind around 17 mph, with gusts as high as 32 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 3am and 5am.  Mostly cloudy, with a low around 44. South wind 16 to 18 mph, with gusts as high as 37 mph.  Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Showers, mainly after noon.  Temperature rising to near 59 by noon, then falling to around 41 during the remainder of the day. South wind 11 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Snow showers, possibly mixed with rain, becoming all snow after 11pm.  Low around 14. West wind 11 to 14 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 14 °F

    Rain/Snow
    then Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly before 2pm.  Mostly cloudy, with a high near 21. West wind 13 to 15 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%.

    High: 21 °F

    Snow Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of snow showers, mainly before 2am.  Mostly cloudy, with a low around 13. West wind 5 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    Low: 13 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 33. South wind 3 to 6 mph.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. South wind around 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm.  Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. South wind around 17 mph, with gusts as high as 32 mph.
Tonight
A slight chance of showers between 3am and 5am. Mostly cloudy, with a low around 44. South wind 16 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Monday
Showers, mainly after noon. Temperature rising to near 59 by noon, then falling to around 41 during the remainder of the day. South wind 11 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Snow showers, possibly mixed with rain, becoming all snow after 11pm. Low around 14. West wind 11 to 14 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow showers likely, mainly before 2pm. Mostly cloudy, with a high near 21. West wind 13 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of snow showers, mainly before 2am. Mostly cloudy, with a low around 13. West wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 33. South wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 24. South wind around 6 mph.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 47. 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)
1:25 pm EDT Mar 15, 2026
1pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database