Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Massena, Massena International-Richards Field (KMSS)

Lat: 44.94°NLon: 74.85°WElev: 217ft.

Overcast

12°F

-11°C

Humidity	84%
Wind Speed	SW 6 mph
Barometer	30.10 in (1020.3 mb)
Dewpoint	8°F (-13°C)
Visibility	10.00 mi
Wind Chill	2°F (-17°C)
Last update	7 Dec 10:53 pm EST

More Information:

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

Extended Forecast for

3 Miles NNW Potsdam NY

Tonight
Low: 1 °F
Slight Chance
Snow Showers
Monday
High: 13 °F
Sunny
Monday Night
Low: 2 °F
Partly Cloudy
Tuesday
High: 27 °F
Mostly Cloudy
then Chance
Snow
Tuesday Night
Low: 21 °F
Snow
Wednesday
High: 35 °F
Rain/Snow
Wednesday Night
Low: 17 °F
Rain/Snow
then Snow
Thursday
High: 24 °F
Chance Snow
Showers
Thursday Night
Low: 11 °F
Mostly Cloudy
then Chance
Snow Showers

Detailed Forecast

Tonight

A 20 percent chance of snow showers before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 1. Wind chill values as low as -8. Northwest wind 3 to 7 mph.

Monday

Sunny, with a high near 13. Wind chill values as low as -7. Southwest wind 3 to 6 mph.

Monday Night

Partly cloudy, with a low around 2. Wind chill values as low as -6. South wind 3 to 6 mph.

Tuesday

A 40 percent chance of snow after 1pm. Mostly cloudy, with a high near 27. Wind chill values as low as -3. South wind 8 to 14 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow. Low around 21. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Wednesday

Snow before 9am, then rain and snow. High near 35. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain and snow, becoming all snow after 10pm. Low around 17. Southwest wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

Thursday

A 30 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 24. West wind 8 to 10 mph.

Thursday Night

A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 11. West wind 3 to 6 mph.

Friday

A 40 percent chance of snow showers. Partly sunny, with a high near 22. West wind 6 to 8 mph.

Friday Night

A 30 percent chance of snow showers. Mostly cloudy, with a low around 9. Southwest wind around 6 mph.

Saturday

A 40 percent chance of snow showers. Mostly cloudy, with a high near 20. West wind 6 to 9 mph.

Saturday Night

A 30 percent chance of snow showers. Mostly cloudy, with a low around 7. West wind around 6 mph.