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

Freezing Rain Expected Today across New York and Grand Isle County in Vermont. Flooding Remains Possible Through Thursday.

Temperatures across northern New York and Grand Isle County in Vermont will drop below freezing today as rain moves into the region. A glaze up to a tenth of an inch of freezing rain will be possible through this afternoon; locally higher near Massena, New York. Flooding remains possible through Thursday due to snow melt, ice jams, and widespread rainfall today and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Mostly Cloudy

32°F

0°C

Humidity 79%
Wind Speed NW 3 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 11 Mar 8:53 am EDT
Extended Forecast for

3 Miles S Altona NY

Flood Watch March 11, 09:36am until March 12, 02:00pm
Winter Weather Advisory March 11, 09:36am until March 11, 02:00pm
Click here for hazard details and duration
Flood Watch
Winter Weather Advisory
  •  
    Flood Watch March 11, 09:36am until March 12, 02:00pm
    Winter Weather Advisory March 11, 09:36am until March 11, 02:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 53 °F

    Chance
    Rain/Freezing
    Rain then
    Chance
    Showers

  • Tonight

    Tonight: Rain. Low around 28. South wind 10 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 28 °F

    Rain

  • Thursday

    Thursday: A chance of rain showers, snow showers, and sleet before 8am, then a slight chance of snow showers between 8am and 3pm. Mostly cloudy, with a temperature falling to around 25 by 11am. Breezy, with a west wind around 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New snow and sleet accumulation of less than a half inch possible.

    High: 30 °F⇓

    Breezy.
    Chance Wintry
    Mix then
    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. West wind 13 to 18 mph, with gusts as high as 29 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Snow likely, mainly after 5pm. Partly sunny, with a high near 37. West wind 5 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow showers. Low around 25. South wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 25 °F

    Snow Showers

  • Saturday

    Saturday: A 40 percent chance of snow before 2pm. Mostly cloudy, with a high near 32. West wind 14 to 17 mph, with gusts as high as 33 mph.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15. West wind 7 to 13 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Today
A slight chance of freezing rain before 10am, then a chance of rain showers between 10am and 2pm, then a chance of rain after 2pm. Some thunder is also possible. Cloudy, with a high near 53. Northeast wind 7 to 14 mph becoming south in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 28. South wind 10 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain showers, snow showers, and sleet before 8am, then a slight chance of snow showers between 8am and 3pm. Mostly cloudy, with a temperature falling to around 25 by 11am. Breezy, with a west wind around 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New snow and sleet accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 21. West wind 13 to 18 mph, with gusts as high as 29 mph.
Friday
Snow likely, mainly after 5pm. Partly sunny, with a high near 37. West wind 5 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Snow showers. Low around 25. South wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of snow before 2pm. Mostly cloudy, with a high near 32. West wind 14 to 17 mph, with gusts as high as 33 mph.
Saturday Night
Partly cloudy, with a low around 15. West wind 7 to 13 mph, with gusts as high as 24 mph.
Sunday
Snow likely, mainly after 2pm. Mostly cloudy, with a high near 37. Southwest wind 5 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Sunday Night
Rain and snow likely, becoming all rain after 5am. Mostly cloudy, with a low around 29. Breezy, with a southeast wind 11 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.
Monday
Rain and snow. High near 49. South wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 13. West wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 25. West wind 11 to 13 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Altona NY
 44.84°N 73.67°W (Elev. 984 ft)
Last Update:
9:26 am EDT Mar 11, 2026
Forecast Valid:
9am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
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Additional Resources

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