National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

82°F

28°C

Humidity 40%
Wind Speed E 5 mph
Barometer 30.13 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 29 Jun 11:35 am EDT
Extended Forecast for

2 Miles ESE Williamson NY

  • Today

    Today: Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Light and variable wind becoming south around 5 mph after midnight.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny and hot, with a high near 91. Heat index values as high as 98. South wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 76. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92. West wind 7 to 9 mph.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Southwest wind around 7 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 94. West wind 6 to 8 mph.

    High: 94 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. Southwest wind around 7 mph.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 70. Light and variable wind becoming south around 5 mph after midnight.
Tuesday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 91. Heat index values as high as 98. South wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 76. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny and hot, with a high near 92. West wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 76. Southwest wind around 7 mph.
Thursday
Sunny and hot, with a high near 94. West wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 77. Southwest wind around 7 mph.
Friday
Mostly sunny, with a high near 89.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Williamson NY
 43.23°N 77.11°W (Elev. 482 ft)
Last Update:
9:57 am EDT Jun 29, 2026
Forecast Valid:
11am EDT Jun 29, 2026-6pm EDT Jul 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation