Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. 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.

Fair

-7°F

-22°C

Humidity	82%
Wind Speed	Calm
Barometer	30.32 in (1027.9 mb)
Dewpoint	-11°F (-24°C)
Visibility	10.00 mi
Last update	8 Dec 9:53 pm EST

More Information:

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

Extended Forecast for

5 Miles SW Potsdam NY

Tonight
Low: -2 °F
Partly Cloudy
Tuesday
High: 26 °F
Partly Sunny
then Slight
Chance Snow
Showers
Tuesday Night
Low: 19 °F
Snow Showers
Likely
Wednesday
High: 33 °F
Snow then
Rain/Snow
Wednesday Night
Low: 14 °F
Rain/Snow
then Snow
Thursday
High: 22 °F
Chance Snow
Showers
Thursday Night
Low: 8 °F
Chance Snow
Showers
Friday
High: 22 °F
Mostly Sunny
Friday Night
Low: 12 °F
Chance Snow
Showers

Detailed Forecast

Tonight

Partly cloudy, with a low around -2. Wind chill values as low as -14. South wind 3 to 5 mph.

Tuesday

A 20 percent chance of snow showers after 4pm. Increasing clouds, with a high near 26. Wind chill values as low as -13. South wind 7 to 10 mph, with gusts as high as 21 mph.

Tuesday Night

Snow showers likely, mainly after 10pm. Cloudy, with a low around 19. South wind 10 to 13 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday

Snow before 3pm, then rain and snow. High near 33. South wind 8 to 13 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

Rain and snow, becoming all snow after 7pm. Low around 14. Southwest wind around 10 mph becoming west in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Thursday

A 40 percent chance of snow showers before 1pm. Partly sunny, with a high near 22. West wind 8 to 10 mph.

Thursday Night

A 30 percent chance of snow showers. Mostly cloudy, with a low around 8. West wind around 6 mph.

Friday

Mostly sunny, with a high near 22. Southwest wind 6 to 9 mph.

Friday Night

A 30 percent chance of snow showers. Mostly cloudy, with a low around 12. South wind 3 to 5 mph.

Saturday

A 50 percent chance of snow showers. Mostly cloudy, with a high near 24. Southwest wind 6 to 9 mph.

Saturday Night

A 30 percent chance of snow showers. Mostly cloudy, with a low around 8. West wind 5 to 7 mph.