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

48°F

9°C

Humidity 46%
Wind Speed S 14 G 24 mph
Barometer 29.87 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Mar 4:55 pm EDT
Extended Forecast for

4 Miles ENE Great Valley NY

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

    NOW until 8:00pm Mon

    Wind Advisory

  • This Afternoon

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am.  Mostly cloudy, with a low around 44. South wind around 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: Rain showers before 5pm, then rain showers, snow showers, and sleet likely.  Temperature rising to near 57 by noon, then falling to around 38 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 and sleet accumulation expected.

    High: 57 °F

    Chance
    Showers then
    Wintry Mix

  • Monday Night

    Monday Night: Snow showers likely, possibly mixed with rain before 7pm, then snow showers.  Areas of blowing snow between 1am and 2am. 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

    Rain/Snow
    then Snow
    Showers and
    Areas Blowing
    Snow

  • Tuesday

    Tuesday: Snow showers likely, mainly before 2pm.  Areas of blowing snow before 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 70%.

    High: 19 °F

    Snow Showers
    Likely and
    Areas Blowing
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow showers, mainly before 2am.  Mostly cloudy, with a low around 12. West wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.

    Low: 12 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. South wind 5 to 7 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. South wind around 7 mph.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. South wind around 15 mph, with gusts as high as 33 mph.
Tonight
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 44. South wind around 18 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Monday
Rain showers before 5pm, then rain showers, snow showers, and sleet likely. Temperature rising to near 57 by noon, then falling to around 38 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 and sleet accumulation expected.
Monday Night
Snow showers likely, possibly mixed with rain before 7pm, then snow showers. Areas of blowing snow between 1am and 2am. 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 before 2pm. Areas of blowing snow before 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 70%.
Tuesday Night
A chance of snow showers, mainly before 2am. Mostly cloudy, with a low around 12. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 31. South wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 24. South wind around 7 mph.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
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 45. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
4:18 pm EDT Mar 15, 2026
5pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
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Additional Resources

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