Heat Advisory in effect tomorrow, then Heat Watch in effect Monday and Tuesday

Significant heat is expected for the Champlain Valley, the Connecticut River Valley, and the St Lawrence Valley in NY. Hot temperatures and high humidity will allow heat index values to reach into the upper 90s tomorrow afternoon. Please follow proper heat safety protocols. Stay hydrated, take breaks in air-conditioned rooms if possible, seek shade often, and check up on relatives and neighbors. Read More >

Current conditions at

Massena, Massena International-Richards Field (KMSS)

Lat: 44.94°NLon: 74.85°WElev: 217ft.

Fog/Mist

53°F

12°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 52°F (11°C)
Visibility 1.75 mi
Last update 21 Jun 4:53 am EDT
Extended Forecast for

2 Miles SW Ogdensburg NY

Heat Advisory June 22, 11:00am until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 70. South wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 87. Heat index values as high as 94. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. Southwest wind around 7 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 90. Southwest wind 8 to 14 mph.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Southwest wind 7 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 90. West wind 7 to 9 mph.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 65. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. North wind around 6 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the morning.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. South wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Heat index values as high as 94. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 71. Southwest wind around 7 mph.
Monday
Sunny and hot, with a high near 90. Southwest wind 8 to 14 mph.
Monday Night
Mostly clear, with a low around 74. Southwest wind 7 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. West wind 7 to 9 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 78. North wind around 6 mph.
Wednesday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 62. Light northeast wind.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 75. Northeast wind around 6 mph.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62. Northeast wind around 5 mph.
Friday
Showers likely. Mostly cloudy, with a high near 75. East wind around 7 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Ogdensburg NY
 44.7°N 75.5°W (Elev. 249 ft)
6:27 am EDT Jun 21, 2025
6am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database