Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

79°F

26°C

Humidity 58%
Wind Speed NW 6 mph
Barometer 29.89 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Aug 4:55 pm EDT
Extended Forecast for

2 Miles SE Alton NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms.  Partly sunny, with a high near 80. West wind around 9 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Light west wind.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers before 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 72. North wind 5 to 7 mph.  Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers then
    Sunny

  • Friday Night

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

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. South wind around 5 mph becoming west in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 80. West wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 62. Light west wind.
Friday
A slight chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 72. North wind 5 to 7 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 54. Calm wind.
Saturday
Mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 60. Light south wind.
Sunday
Mostly sunny, with a high near 82. South wind around 5 mph becoming west in the afternoon.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Alton NY
 43.2°N 77.02°W (Elev. 446 ft)
3:57 pm EDT Aug 27, 2026
4pm EDT Aug 27, 2026-6pm EDT Sep 3, 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