Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Partly Cloudy

76°F

24°C

Humidity 69%
Wind Speed N 12 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 30 Jul 1:54 pm EDT
Extended Forecast for

Altmar NY

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 76. North wind around 6 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 56. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 56 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. South wind 3 to 5 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am.  Cloudy, with a low around 62. Calm wind becoming southeast around 5 mph after midnight.  Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 75. Southeast wind around 6 mph.  Chance of precipitation is 90%.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 60. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Monday

    Monday: A chance of showers before 8am, then a chance of showers after 2pm.  Partly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. North wind around 6 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 56. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 58. Light and variable wind.
Saturday
Partly sunny, with a high near 82. South wind 3 to 5 mph.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a low around 62. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 40%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 75. Southeast wind around 6 mph. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 60. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Monday
A chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Altmar NY
 43.51°N 76.01°W (Elev. 571 ft)
2:22 pm EDT Jul 30, 2026
2pm EDT Jul 30, 2026-6pm EDT Aug 5, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database