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 >

Current conditions at

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Fair

62°F

17°C

Humidity 92%
Wind Speed W 3 mph
Barometer 30.05 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 21 Jun 2:55 am EDT
Extended Forecast for

4 Miles N Hemlock NY

Heat Advisory June 22, 12:00pm until June 24, 06:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 63. Southwest wind around 6 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 86. Southwest wind 6 to 9 mph.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. South wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 92. Heat index values as high as 99. West wind around 16 mph, with gusts as high as 26 mph.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. West wind 7 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. West wind 8 to 11 mph.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind around 8 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. West wind 8 to 11 mph.

    High: 92 °F

    Hot

  • Tuesday Night

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

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 6 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 86. Southwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 75. South wind 8 to 14 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny and hot, with a high near 92. Heat index values as high as 99. West wind around 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 76. West wind 7 to 10 mph.
Monday
Sunny and hot, with a high near 94. West wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 76. Southwest wind around 8 mph.
Tuesday
Sunny and hot, with a high near 92. West wind 8 to 11 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 84. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Hemlock NY
 42.83°N 77.57°W (Elev. 909 ft)
1:56 am EDT Jun 21, 2025
3am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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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