Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Partly Cloudy

81°F

27°C

Humidity 54%
Wind Speed W 13 G 22 mph
Barometer 29.90 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 27 Aug 1:35 pm EDT
Extended Forecast for

Holcomb NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly before 5pm.  Partly sunny, with a high near 80. West wind around 14 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 61. West wind around 7 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers before 2pm.  Partly sunny, with a high near 75. Northwest wind 6 to 9 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. West wind 5 to 7 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Light and variable wind becoming south around 6 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 81. West wind around 8 mph.

    High: 81 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 64. Southwest wind around 6 mph.  Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers.  Mostly cloudy, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 80. West wind around 14 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 61. West wind around 7 mph.
Friday
A slight chance of showers before 2pm. Partly sunny, with a high near 75. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 55. Light and variable wind.
Saturday
Sunny, with a high near 77. West wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 60. Light and variable wind becoming south around 6 mph after midnight.
Sunday
Partly sunny, with a high near 81. West wind around 8 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64. Southwest wind around 6 mph. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Holcomb NY
 42.91°N 77.44°W (Elev. 876 ft)
9:57 am EDT Aug 27, 2026
1pm EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database