Extreme Heat Watch in Effect from Wednesday through Friday for the Champlain valley and eastern Windsor county in Vermont

Significant heat is expected to build from Wednesday through Friday. Hot temperatures and high humidity will allow heat index values to reach into at least the mid 90s each afternoon from Wednesday through Friday in the Champlain Valley and eastern Windsor county in Vermont. 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.

Mostly Cloudy

76°F

24°C

Humidity	62%
Wind Speed	Calm
Barometer	30.01 in (1016.1 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	30 Jun 9:53 am EDT

More Information:

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

Extended Forecast for

4 Miles S Potsdam NY

Today
High: 88 °F
Slight Chance
Showers then
Chance
T-storms
Tonight
Low: 73 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 91 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 74 °F
Becoming
Cloudy
Thursday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Friday
High: 90 °F
Hot
Friday Night
Low: 68 °F
Partly Cloudy
Independence Day
High: 83 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 50 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 73. Southwest wind 7 to 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 101. Southwest wind 9 to 13 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Partly cloudy during the early evening, then becoming cloudy, with a low around 74. Southwest wind 7 to 10 mph.

Thursday

A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 91. Southwest wind 8 to 16 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 72. Southwest wind 7 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Mostly sunny and hot, with a high near 90. West wind 8 to 11 mph.

Friday Night

Partly cloudy, with a low around 68. Southwest wind 3 to 7 mph.

Independence Day

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. West wind 5 to 8 mph. Chance of precipitation is 40%.

Saturday Night

A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Light southwest wind. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 83. Calm wind becoming north 5 to 7 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 64. Calm wind.

Monday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming north 5 to 7 mph in the afternoon.