Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Mostly Cloudy

81°F

27°C

Humidity 45%
Wind Speed SW 5 mph
Barometer 30.02 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 26 Aug 2:55 pm EDT
Extended Forecast for

2 Miles SE Alton NY

  • Tonight

    Tonight: Partly cloudy, with a low around 65. South wind 6 to 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  High near 81. South wind around 10 mph becoming west in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 61. West wind 3 to 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers before 2pm.  Mostly cloudy, then gradually becoming sunny, with a high near 72. North wind 5 to 8 mph.  Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Light and variable wind becoming southwest around 5 mph in the morning.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Light south wind.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. West wind around 6 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. South wind 6 to 10 mph.
Thursday
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 81. South wind around 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 61. West wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. North wind 5 to 8 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 77. Light and variable wind becoming southwest around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 58. Light south wind.
Sunday
Mostly sunny, with a high near 81. West wind around 6 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Alton NY
 43.2°N 77.02°W (Elev. 446 ft)
2:22 pm EDT Aug 26, 2026
3pm EDT Aug 26, 2026-6pm EDT Sep 2, 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