Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Massena, Massena International-Richards Field (KMSS)

Lat: 44.94°NLon: 74.85°WElev: 217ft.

Fair

57°F

14°C

Humidity 96%
Wind Speed SW 6 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 4:53 am EDT
Extended Forecast for

4 Miles SW Potsdam NY

  • Overnight

    Overnight: Scattered showers.  Mostly cloudy, with a low around 55. Light southwest wind.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 72. West wind 5 to 7 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Scattered
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.  Mostly cloudy, with a low around 55. Light south wind.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Showers likely, mainly after 5pm.  Mostly cloudy, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 7pm.  Mostly cloudy, with a low around 55. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Light west wind.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58. Light south wind.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 55. Light southwest wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 72. West wind 5 to 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 55. Light south wind. Chance of precipitation is 20%.
Monday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 55. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly sunny, with a high near 74. Calm wind becoming northwest 5 to 8 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 55. Light west wind.
Wednesday
Mostly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 58. Light south wind.
Thursday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Showers likely. Mostly cloudy, with a low around 59. South wind 3 to 5 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Southwest wind 6 to 10 mph. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 5 to 7 mph.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 75. West wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Potsdam NY
 44.62°N 75.02°W (Elev. 492 ft)
2:13 am EDT Jun 21, 2026
5am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
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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