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

Hazardous Weather Conditions

Current conditions at

Cortland County-Chase Field (KN03)

Lat: 42.59°NLon: 76.21°WElev: 1198ft.

Fog

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 34°F (1°C)
Visibility 0.50 mi
Last update 17 Feb 8:55 pm EST
Extended Forecast for

Vesper NY

Winter Weather Advisory February 18, 12:00pm until February 19, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Patchy Fog

  • Wednesday

    Wednesday: A chance of freezing rain before 9am, then rain or freezing rain likely between 9am and 10am, then rain after 10am. High near 36. East wind around 6 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.

    High: 36 °F

    Rain/Freezing
    Rain then
    Showers

  • Wednesday Night

    Wednesday Night: Rain or freezing rain likely before 1am, then a slight chance of snow between 1am and 4am, then a slight chance of freezing rain after 4am. Mostly cloudy, with a low around 27. South wind 6 to 8 mph becoming northwest in the evening. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow accumulation expected.

    Low: 27 °F

    Wintry Mix
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 36. Southeast wind around 6 mph.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain showers after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 30. Southeast wind 7 to 13 mph. Chance of precipitation is 40%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow showers. High near 37. Chance of precipitation is 90%.

    High: 37 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow showers likely, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of snow showers. Partly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 29. Light and variable wind.
Wednesday
A chance of freezing rain before 9am, then rain or freezing rain likely between 9am and 10am, then rain after 10am. High near 36. East wind around 6 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.
Wednesday Night
Rain or freezing rain likely before 1am, then a slight chance of snow between 1am and 4am, then a slight chance of freezing rain after 4am. Mostly cloudy, with a low around 27. South wind 6 to 8 mph becoming northwest in the evening. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 36. Southeast wind around 6 mph.
Thursday Night
A chance of rain showers after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 30. Southeast wind 7 to 13 mph. Chance of precipitation is 40%.
Friday
Rain, possibly mixed with snow showers. High near 37. Chance of precipitation is 90%.
Friday Night
Rain and snow showers likely, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
A chance of snow showers. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 14.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vesper NY
 42.81°N 76.17°W (Elev. 1742 ft)
Last Update:
5:46 pm EST Feb 17, 2026
Forecast Valid:
9pm EST Feb 17, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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