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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Rochester, Greater Rochester International Airport (KROC)

Lat: 43.12°NLon: 77.68°WElev: 558ft.

Mostly Cloudy

74°F

23°C

Humidity 41%
Wind Speed SW 7 mph
Barometer 29.74 in (1007.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 16 Jun 4:54 pm EDT
Extended Forecast for

Hamlin NY

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Increasing clouds, with a low around 58. Southwest wind 5 to 9 mph becoming light and variable. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 76. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 62. Southwest wind 5 to 13 mph becoming southeast after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. High near 81. Breezy, with a west wind 18 to 24 mph, with gusts as high as 43 mph. 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

    Breezy.
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. West wind 13 to 16 mph, with gusts as high as 30 mph.

    Low: 60 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Breezy, with a west wind 13 to 22 mph. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. West wind 10 to 13 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. West wind 14 to 18 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly after 2am. Increasing clouds, with a low around 58. Southwest wind 5 to 9 mph becoming light and variable. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 76. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 62. Southwest wind 5 to 13 mph becoming southeast after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. High near 81. Breezy, with a west wind 18 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 60. West wind 13 to 16 mph, with gusts as high as 30 mph.
Juneteenth
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Breezy, with a west wind 13 to 22 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 57. West wind 10 to 13 mph.
Saturday
Mostly sunny, with a high near 75. West wind 14 to 18 mph.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Sunny, with a high near 77.
Sunday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hamlin NY
 43.3°N 77.93°W (Elev. 328 ft)
Last Update:
3:57 pm EDT Jun 16, 2026
Forecast Valid:
5pm EDT Jun 16, 2026-6pm EDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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