National Weather Service

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Winter/Spring Flood Outlook #5 Valid through Wednesday, March 19, 2026

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Overcast

39°F

4°C

Humidity	86%
Wind Speed	SE 10 mph
Barometer	29.93 in (1013.6 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Wind Chill	32°F (0°C)
Last update	7 Mar 9:53 am EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles S Altona NY

Today
High: 58 °F
Chance
Showers
Tonight
Low: 38 °F
Showers then
Chance
Showers
Sunday
High: 46 °F
Decreasing
Clouds
Sunday Night
Low: 35 °F
Increasing
Clouds
Monday
High: 60 °F
Partly Sunny
Monday Night
Low: 38 °F
Mostly Clear
Tuesday
High: 54 °F
Mostly Sunny
Tuesday Night
Low: 27 °F
Mostly Cloudy
then
Rain/Snow
Likely
Wednesday
High: 41 °F
Rain/Snow

Detailed Forecast

Today

A chance of rain before 2pm, then a chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 58. South wind 10 to 13 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 38. South wind 8 to 11 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly cloudy, then gradually becoming sunny, with a high near 46. Southwest wind around 10 mph, with gusts as high as 23 mph.

Sunday Night

Increasing clouds, with a low around 35. Southwest wind around 10 mph, with gusts as high as 24 mph.

Monday

Partly sunny, with a high near 60. South wind 9 to 11 mph, with gusts as high as 25 mph.

Monday Night

Mostly clear, with a low around 38. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

Tuesday

Mostly sunny, with a high near 54. West wind around 6 mph becoming north in the afternoon.

Tuesday Night

Rain and snow likely after 1am, becoming all snow after 4am. Mostly cloudy, with a low around 27. North wind 5 to 7 mph. Chance of precipitation is 60%.

Wednesday

Snow before 10am, then rain and snow. High near 41. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Wednesday Night

Rain and snow. Low around 23. West wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

Thursday

A chance of rain and snow. Cloudy, with a high near 33. West wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.

Thursday Night

Partly cloudy, with a low around 14. West wind around 10 mph, with gusts as high as 22 mph.

Friday

A 30 percent chance of snow. Mostly sunny, with a high near 34. West wind around 9 mph becoming south in the afternoon. Winds could gust as high as 20 mph.