Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Fair

59°F

15°C

Humidity 96%
Wind Speed Calm
Barometer 30.02 in (1016.3 mb)
Dewpoint 58°F (14°C)
Visibility 8.00 mi
Last update 28 Jun 6:54 am EDT
Extended Forecast for

Altmar NY

  • Today

    Today: Sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am.  Mostly cloudy, with a low around 66. Light east wind.  Chance of precipitation is 20%.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 8am.  Partly sunny and hot, with a high near 90. Light and variable wind becoming southwest around 6 mph in the morning.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. West wind 3 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. Light west wind.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 61. Light and variable wind.
Monday
Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, mainly after 8am. Partly sunny and hot, with a high near 90. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 89. West wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 71. Light west wind.
Thursday
Sunny and hot, with a high near 90.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 68.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Altmar NY
 43.51°N 76.01°W (Elev. 571 ft)
5:52 am EDT Jun 28, 2026
7am EDT Jun 28, 2026-6pm EDT Jul 4, 2026
 
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Additional Resources

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