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

Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Overcast and Breezy

73°F

23°C

Humidity 49%
Wind Speed NW 24 G 31 mph
Barometer 29.73 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Jun 2:55 pm EDT
Extended Forecast for

Mendon NY

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly before 5pm. Mostly cloudy, with a high near 74. Breezy, with a west wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    T-storms
    Likely and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind 11 to 15 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73. West wind 10 to 15 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Southwest wind 3 to 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Northwest wind 5 to 8 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 72. Light southeast wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. North wind around 6 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Showers and thunderstorms likely, mainly before 5pm. Mostly cloudy, with a high near 74. Breezy, with a west wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 54. West wind 11 to 15 mph.
Saturday
Mostly sunny, with a high near 73. West wind 10 to 15 mph.
Saturday Night
Partly cloudy, with a low around 55. Southwest wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 76. Northwest wind 5 to 8 mph.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 72. Light southeast wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. North wind around 6 mph becoming west after midnight. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
Showers likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendon NY
 43°N 77.51°W (Elev. 545 ft)
Last Update:
2:22 pm EDT Jun 19, 2026
Forecast Valid:
3pm EDT Jun 19, 2026-6pm EDT Jun 26, 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