National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Massena, Massena International-Richards Field (KMSS)

Lat: 44.94°NLon: 74.85°WElev: 217ft.

Mostly Cloudy

75°F

24°C

Humidity 82%
Wind Speed Calm
Barometer 29.86 in (1011.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 1 Aug 8:53 pm EDT
Extended Forecast for

Winthrop NY

  • Tonight

    Tonight: Cloudy, with a low around 67. Light south wind.

    Low: 67 °F

    Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 76. Light south wind. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Scattered
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 64. Light south wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 75. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Light south wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Light and variable wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Light south wind. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Cloudy, with a low around 67. Light south wind.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 76. Light south wind. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 64. Light south wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 75. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Partly cloudy, with a low around 59. Calm wind.
Tuesday
Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61. Light south wind.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Light and variable wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Light south wind. Chance of precipitation is 50%.
Thursday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 81. Southwest wind 5 to 8 mph. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 65. Southwest wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind 5 to 8 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Southwest wind around 5 mph.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 82. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop NY
 44.73°N 74.79°W (Elev. 440 ft)
Last Update:
2:57 pm EDT Aug 1, 2026
Forecast Valid:
9pm EDT Aug 1, 2026-6pm EDT Aug 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation