Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Light Snow

32°F

0°C

Humidity 69%
Wind Speed S 13 G 20 mph
Barometer 29.57 in
Dewpoint 23°F (-5°C)
Visibility 7.00 mi
Wind Chill22°F (-6°C)
Last update 13 Mar 2:35 pm EDT
Extended Forecast for

4 Miles ENE Great Valley NY

Wind Advisory March 13, 02:49pm until March 14, 11:00am
Winter Storm Warning March 13, 05:00pm until March 14, 11:00am
Click here for hazard details and duration
Wind Advisory
Winter Storm Warning
  •  
    Wind Advisory March 13, 02:49pm until March 14, 11:00am

    NOW until 11:00am Sat

    Wind Advisory

  • This Afternoon

    High: 37 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 10pm. The snow could be heavy at times.  Areas of blowing snow after 3am. Low around 23. Breezy, with a west wind 17 to 22 mph, with gusts as high as 43 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 23 °F

    Rain/Snow and
    Breezy then
    Heavy Snow
    and Areas
    Blowing Snow

  • Saturday

    Saturday: Snow showers likely, mainly before 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 32 °F

    Snow Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A chance of snow after 2am.  Increasing clouds, with a low around 21. Light and variable wind.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Partly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow, possibly mixing with rain after 11am, then gradually ending.  Mostly cloudy, with a high near 48. South wind 8 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am.  Mostly cloudy, with a low around 42. South wind around 18 mph, with gusts as high as 38 mph.  Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Rain showers likely between 8am and 2pm, then rain and snow showers.  High near 58. South wind around 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%.

    High: 58 °F

    Showers
    Likely then
    Rain/Snow

  • Monday Night

    Monday Night: Rain and snow showers, becoming all snow after 8pm.  Low around 15. West wind around 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    Low: 15 °F

    Rain/Snow
    then Snow
    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of snow showers before 5pm, then snow showers, possibly mixed with rain. High near 37. South wind around 17 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Rain and snow showers, becoming all snow after 10pm. The snow could be heavy at times. Areas of blowing snow after 3am. Low around 23. Breezy, with a west wind 17 to 22 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow showers likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
A chance of snow after 2am. Increasing clouds, with a low around 21. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow, possibly mixing with rain after 11am, then gradually ending. Mostly cloudy, with a high near 48. South wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 42. South wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday
Rain showers likely between 8am and 2pm, then rain and snow showers. High near 58. South wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Monday Night
Rain and snow showers, becoming all snow after 8pm. Low around 15. West wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
2:22 pm EDT Mar 13, 2026
2pm EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
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