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

Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. 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 Calm
Barometer 29.92 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 11 Aug 2:15 am EDT
Extended Forecast for

4 Miles SSE Marion NY

  • Overnight

    Overnight: Partly cloudy, with a low around 65. Light west wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Northwest wind 3 to 8 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 2am. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 80. Northwest wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. West wind 3 to 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 74. Northwest wind 6 to 11 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. Light west wind.
Tuesday
Mostly sunny, with a high near 81. Northwest wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
A chance of showers, mainly after 2am. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 80. Northwest wind 3 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 59. West wind 3 to 5 mph.
Friday
Sunny, with a high near 74. Northwest wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
A chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Marion NY
 43.1°N 77.16°W (Elev. 499 ft)
Last Update:
2:22 am EDT Aug 11, 2026
Forecast Valid:
2am EDT Aug 11, 2026-6pm EDT Aug 17, 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