Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

70°F

21°C

Humidity 83%
Wind Speed S 3 mph
Barometer 30.04 in
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 16 Jul 1:35 am EDT
Extended Forecast for

2 Miles ESE Ontario NY

Heat Advisory July 16, 11:00am until July 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Clear, with a low around 70. Light south wind.

    Low: 70 °F

    Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 2pm.  Increasing clouds and hot, with a high near 90. Heat index values as high as 98. South wind around 5 mph becoming northeast in the afternoon.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. South wind 3 to 5 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 89. Heat index values as high as 98. Southwest wind 7 to 16 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 63. West wind 11 to 16 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 77. North wind 6 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. South wind around 6 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 70. Light south wind.
Wednesday
A chance of showers and thunderstorms, mainly after 2pm. Increasing clouds and hot, with a high near 90. Heat index values as high as 98. South wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 89. Heat index values as high as 98. Southwest wind 7 to 16 mph. Chance of precipitation is 60%. 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 before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. West wind 11 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 77. North wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 59. Calm wind.
Saturday
Mostly sunny, with a high near 84. South wind around 6 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Ontario NY
 43.22°N 77.29°W (Elev. 443 ft)
1:37 am EDT Jul 16, 2025
1am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
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Additional Resources

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