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

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Fair

56°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 29.76 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 11:35 pm EDT
Extended Forecast for

Holcomb NY

  • Tonight

    Tonight: A chance of showers, mainly between 3am and 5am. Mostly cloudy, with a low around 58. South wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%. 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 60. Light and variable wind becoming south 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 78. Breezy, with a west wind 20 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 58. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 73. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 73 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 54. West wind 13 to 15 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. West wind around 17 mph, with gusts as high as 29 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly between 3am and 5am. Mostly cloudy, with a low around 58. South wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%. 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 60. Light and variable wind becoming south 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 78. Breezy, with a west wind 20 to 24 mph, with gusts as high as 39 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
A chance of showers before 8pm. Partly cloudy, with a low around 58. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Juneteenth
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 73. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 54. West wind 13 to 15 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 71. West wind around 17 mph, with gusts as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 73.
Sunday Night
A chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Holcomb NY
 42.91°N 77.44°W (Elev. 876 ft)
Last Update:
9:57 pm EDT Jun 16, 2026
Forecast Valid:
11pm EDT Jun 16, 2026-6pm EDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation