National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Overcast

54°F

12°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 29.33 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 16 Mar 1:35 pm EDT
Extended Forecast for

4 Miles SW Allegany NY

Wind Advisory March 16, 01:49pm until March 17, 11:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 01:49pm until March 17, 11:00am

    NOW until 11:00am Tue

    Wind Advisory

  • This Afternoon

    High: 60 °F

    Showers

  • Tonight

    Tonight: Rain showers, snow showers, and sleet, becoming all snow after 7pm. The snow could be heavy at times. Low around 16. West wind 13 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Wintry Mix
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 2pm. Patchy blowing snow before 9am. Mostly cloudy, with a high near 23. Breezy, with a west wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 40%. New snow accumulation of around an inch possible.

    High: 23 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: A chance of snow showers, mainly after 2am. Mostly cloudy, with a low around 14. West wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers before 8am. Mostly cloudy, with a high near 33. South wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers after 2am. Mostly cloudy, with a low around 24. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly cloudy, with a high near 43. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 2am. Mostly cloudy, with a low around 30. West wind around 6 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers. High near 60. West wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain showers, snow showers, and sleet, becoming all snow after 7pm. The snow could be heavy at times. Low around 16. West wind 13 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.
Tuesday
A chance of snow showers, mainly before 2pm. Patchy blowing snow before 9am. Mostly cloudy, with a high near 23. Breezy, with a west wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 40%. New snow accumulation of around an inch possible.
Tuesday Night
A chance of snow showers, mainly after 2am. Mostly cloudy, with a low around 14. West wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow showers before 8am. Mostly cloudy, with a high near 33. South wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of snow showers after 2am. Mostly cloudy, with a low around 24. South wind around 7 mph. Chance of precipitation is 20%.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 43. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 30. West wind around 6 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 46.
Friday Night
A chance of rain showers after 8pm, mixing with snow after 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Allegany NY
 42.05°N 78.53°W (Elev. 1801 ft)
Last Update:
9:58 am EDT Mar 16, 2026
Forecast Valid:
1pm EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation