Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Fair

68°F

20°C

Humidity 73%
Wind Speed W 8 mph
Barometer 30.02 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Jun 10:35 pm EDT
Extended Forecast for

Hemlock NY

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 63. Southwest wind around 8 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms.  Partly sunny, with a high near 84. Southwest wind 7 to 9 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 76. South wind 9 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am.  Mostly sunny and hot, with a high near 90. Heat index values as high as 97. West wind 14 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southwest wind around 10 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91. West wind around 11 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Southwest wind around 9 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 91. West wind 10 to 13 mph.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 63. Southwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 76. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 90. Heat index values as high as 97. West wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 76. Southwest wind around 10 mph.
Monday
Sunny and hot, with a high near 91. West wind around 11 mph.
Monday Night
Mostly clear, with a low around 75. Southwest wind around 9 mph.
Tuesday
Sunny and hot, with a high near 91. West wind 10 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hemlock NY
 42.79°N 77.58°W (Elev. 1247 ft)
10:36 pm EDT Jun 20, 2025
10pm EDT Jun 20, 2025-6pm EDT Jun 27, 2025
 
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Additional Resources

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