Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Mostly Cloudy

70°F

21°C

Humidity 84%
Wind Speed S 6 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 12:54 pm EDT
Extended Forecast for

4 Miles ESE Altmar NY

  • This Afternoon

    This Afternoon: A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 76. West wind around 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, then gradually becoming clear, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, sunny, with a high near 76. Calm wind.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Calm wind becoming east around 5 mph after midnight.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 2pm.  Mostly sunny, with a high near 79. South wind around 7 mph.  Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm.  Low around 56. Southeast wind around 7 mph.  Chance of precipitation is 90%.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm.  High near 74. Chance of precipitation is 80%.

    High: 74 °F

    Showers

Detailed Forecast

This Afternoon
A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 76. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 53. Light and variable wind.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 48. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 76. Calm wind.
Friday Night
Mostly clear, with a low around 54. Calm wind becoming east around 5 mph after midnight.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 79. South wind around 7 mph. Chance of precipitation is 30%.
Saturday Night
Showers, mainly after 8pm. Low around 56. Southeast wind around 7 mph. Chance of precipitation is 90%.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Altmar NY
 43.5°N 75.92°W (Elev. 774 ft)
9:58 am EDT Aug 19, 2026
1pm EDT Aug 19, 2026-6pm EDT Aug 25, 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