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.

Partly Cloudy

32°F

0°C

Humidity 51%
Wind Speed SE 12 G 16 mph
Barometer 30.12 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 15 Mar 9:55 am EDT
Extended Forecast for

4 Miles ENE Great Valley NY

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

    Today: Partly sunny, with a high near 48. South wind 11 to 15 mph, with gusts as high as 31 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. South wind around 18 mph, with gusts as high as 37 mph.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Rain showers before 2pm, then rain, possibly mixed with snow showers.  Temperature rising to near 50 by 11am, then falling to around 34 during the remainder of the day. South wind 11 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 50 °F

    Showers then
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers.  Low around 13. West wind 11 to 14 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 13 °F

    Snow Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly after 2pm.  Mostly cloudy, with a high near 19. West wind 13 to 15 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%.

    High: 19 °F

    Snow Showers
    Likely

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly before 8pm.  Mostly cloudy, with a low around 12. West wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    Low: 12 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 32. South wind 5 to 7 mph.

    High: 32 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers after 2am.  Mostly cloudy, with a low around 25. South wind around 7 mph.  Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow showers before 8am, then a chance of rain showers after 2pm.  Mostly cloudy, with a high near 43. Chance of precipitation is 30%.

    High: 43 °F

    Chance Snow
    Showers then
    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 48. South wind 11 to 15 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 41. South wind around 18 mph, with gusts as high as 37 mph.
Monday
Rain showers before 2pm, then rain, possibly mixed with snow showers. Temperature rising to near 50 by 11am, then falling to around 34 during the remainder of the day. South wind 11 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Snow showers. Low around 13. West wind 11 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow showers likely, mainly after 2pm. Mostly cloudy, with a high near 19. West wind 13 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Tuesday Night
Snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 12. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 32. South wind 5 to 7 mph.
Wednesday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 25. South wind around 7 mph. Chance of precipitation is 30%.
Thursday
A chance of snow showers before 8am, then a chance of rain showers after 2pm. Mostly cloudy, with a high near 43. 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 46. Chance of precipitation is 40%.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
9:58 am EDT Mar 15, 2026
10am EDT Mar 15, 2026-6pm EDT Mar 21, 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