Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

81°F

27°C

Humidity 37%
Wind Speed NE 3 mph
Barometer 30.21 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 10:55 am EDT
Extended Forecast for

3 Miles ENE Lyons NY

  • Today

    Today: Sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 90. Light and variable wind.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am.  Increasing clouds, with a low around 68. Calm wind.  Chance of precipitation is 20%.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 82. West wind 5 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 56. Northeast wind around 6 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. North wind 5 to 7 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm.  Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 65. Light and variable wind.
Saturday
Sunny and hot, with a high near 90. Light and variable wind.
Saturday Night
A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 68. Calm wind. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. West wind 5 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 56. Northeast wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 76. North wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 57. Light and variable wind.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Lyons NY
 43.08°N 76.96°W (Elev. 499 ft)
10:36 am EDT Aug 15, 2025
11am EDT Aug 15, 2025-6pm EDT Aug 21, 2025
 
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Additional Resources

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Hourly Weather Forecast

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