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.

Partly Cloudy

45°F

7°C

Humidity	74%
Wind Speed	SE 16 mph
Barometer	29.74 in (1007.2 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Wind Chill	38°F (3°C)
Last update	7 Mar 1:53 pm EST

More Information:

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

Extended Forecast for

3 Miles SW Altona NY

This Afternoon
High: 59 °F
Chance
Showers
Tonight
Low: 39 °F
Showers then
Chance
Showers
Sunday
High: 47 °F
Decreasing
Clouds
Sunday Night
Low: 34 °F
Partly Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 38 °F
Mostly Clear
Tuesday
High: 55 °F
Mostly Sunny
Tuesday Night
Low: 31 °F
Chance Rain
Wednesday
High: 51 °F
Rain

Detailed Forecast

This Afternoon

A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 59. South wind around 11 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 4am. Low around 39. Southwest wind 8 to 11 mph, with gusts as high as 33 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 47. West wind around 11 mph, with gusts as high as 28 mph.

Sunday Night

Partly cloudy, with a low around 34. West wind 8 to 10 mph, with gusts as high as 23 mph.

Monday

Mostly sunny, with a high near 58. Southwest wind 9 to 11 mph, with gusts as high as 29 mph.

Monday Night

Mostly clear, with a low around 38. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.

Tuesday

Mostly sunny, with a high near 55. Light and variable wind becoming northwest around 5 mph in the afternoon.

Tuesday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 31. Northeast wind around 6 mph.

Wednesday

Rain. High near 51. East wind 7 to 9 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

Wednesday Night

Rain. Low around 31. Southeast wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

Thursday

Rain and snow likely. Mostly cloudy, with a high near 48. West wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Thursday Night

Mostly cloudy, with a low around 15. West wind 9 to 11 mph, with gusts as high as 23 mph.

Friday

A 30 percent chance of snow. Mostly cloudy, with a high near 40. West wind around 9 mph, with gusts as high as 20 mph.