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

Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Overcast

27°F

-3°C

Humidity 69%
Wind Speed E 5 mph
Barometer 30.21 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 15 Mar 3:55 am EDT
Extended Forecast for

West Valley NY

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

  • Overnight

    Overnight: Snow, mainly after 5am. Low around 23. Southeast wind around 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow

  • Sunday

    Sunday: Snow likely, mainly before 9am. Mostly cloudy, with a high near 51. South wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 51 °F

    Snow Likely
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. Breezy, with a south wind 17 to 20 mph, with gusts as high as 40 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Rain showers before 2pm, then rain, possibly mixed with snow showers. High near 54. South wind 11 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 54 °F

    Showers then
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers. Low around 14. West wind 11 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.

    Low: 14 °F

    Snow Showers

  • Tuesday

    Tuesday: Snow showers. High near 21. West wind 13 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.

    High: 21 °F

    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 2am. Low around 14. West wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 14 °F

    Snow Showers

  • Wednesday

    Wednesday: A chance of snow showers before 8am. Mostly cloudy, with a high near 34. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 34 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers after 8pm. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Snow, mainly after 5am. Low around 23. Southeast wind around 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow likely, mainly before 9am. Mostly cloudy, with a high near 51. South wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 40. Breezy, with a south wind 17 to 20 mph, with gusts as high as 40 mph.
Monday
Rain showers before 2pm, then rain, possibly mixed with snow showers. High near 54. South wind 11 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Snow showers. Low around 14. West wind 11 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Tuesday
Snow showers. High near 21. West wind 13 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.
Tuesday Night
Snow showers, mainly before 2am. Low around 14. West wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Wednesday
A chance of snow showers before 8am. Mostly cloudy, with a high near 34. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers after 8pm. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Thursday
A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Valley NY
 42.45°N 78.64°W (Elev. 1270 ft)
Last Update:
3:58 am EDT Mar 15, 2026
Forecast Valid:
4am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation