Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East and West

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Overcast

77°F

25°C

Humidity 88%
Wind Speed Vrbl 3 mph
Barometer 29.87 in (1011.2 mb)
Dewpoint 73°F (23°C)
Visibility 8.00 mi
Heat Index78°F (26°C)
Last update 16 Jul 6:54 pm EDT
Extended Forecast for

4 Miles SW Altmar NY

Heat Advisory July 16, 07:50pm until July 16, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 16, 07:50pm until July 16, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 71 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 85. South wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 57. West wind 8 to 11 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 74. Northwest wind around 6 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 2pm.  Mostly sunny, with a high near 80. Light and variable wind becoming south around 5 mph in the morning.  Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers after 8pm.  Mostly cloudy, with a low around 62. Light and variable wind.  Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 78. Northwest wind 5 to 8 mph.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 71. Southeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 85. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. West wind 8 to 11 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, with a high near 74. Northwest wind around 6 mph.
Friday Night
Mostly clear, with a low around 54. Calm wind.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 80. Light and variable wind becoming south around 5 mph in the morning. Chance of precipitation is 20%.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 78. Northwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Sunny, with a high near 85.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Altmar NY
 43.47°N 76.04°W (Elev. 600 ft)
7:38 pm EDT Jul 16, 2025
7pm EDT Jul 16, 2025-6pm EDT Jul 23, 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