Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

52°F

11°C

Humidity 82%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 29 Aug 5:15 am EDT
Extended Forecast for

3 Miles SW Alton NY

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 78. Southwest wind 5 to 8 mph becoming west in the afternoon.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am.  Partly sunny, with a high near 77. Calm wind becoming east around 6 mph in the morning.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 2pm.  Partly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 40%.

    High: 82 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 66. Light south wind.  Chance of precipitation is 70%.

    Low: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning.
Tonight
Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 78. Southwest wind 5 to 8 mph becoming west in the afternoon.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 77. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 66. Light south wind. Chance of precipitation is 70%.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Alton NY
 43.18°N 77.09°W (Elev. 499 ft)
3:57 am EDT Aug 29, 2026
5am EDT Aug 29, 2026-6pm EDT Sep 4, 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