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

Hazardous Weather Conditions

Current conditions at

NORWICH (KOIC)

Lat: 42.57°NLon: 75.52°WElev: 1025ft.

Overcast

36°F

2°C

Humidity 81%
Wind Speed S 6 mph
Barometer 29.83 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 20 Feb 4:15 am EST
Extended Forecast for

Treadwell NY

Winter Weather Advisory February 20, 06:00am until February 21, 01:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A chance of snow. Cloudy, with a low around 29. Southeast wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 36. Southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Cloudy, with a low around 29. South wind 5 to 7 mph becoming west in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 34. West wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 24. Light and variable wind. Chance of precipitation is 50%.

    Low: 24 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.

    High: 32 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Cloudy, with a low around 21. Chance of precipitation is 50%.

    Low: 21 °F

    Chance Snow

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.

    High: 30 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of snow. Cloudy, with a low around 29. Southeast wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of snow. Cloudy, with a high near 36. Southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow. Cloudy, with a low around 29. South wind 5 to 7 mph becoming west in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow. Mostly cloudy, with a high near 34. West wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24. Light and variable wind. Chance of precipitation is 50%.
Sunday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Cloudy, with a low around 21. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 30%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Wednesday Night
A chance of snow. Cloudy, with a low around 28. Chance of precipitation is 50%.
Thursday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Treadwell NY
 42.33°N 75.04°W (Elev. 1873 ft)
Last Update:
4:15 am EST Feb 20, 2026
Forecast Valid:
4am EST Feb 20, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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