Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. 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. Numerous daily record highs and warm lows are likely. Read More >

Current conditions at

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

Mostly Cloudy

87°F

31°C

Humidity 48%
Wind Speed Vrbl 3 mph
Barometer 30.08 in (1019.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Jun 12:54 pm EDT
Extended Forecast for

Hemlock NY

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

    This Afternoon: Partly sunny, with a high near 86. Southwest wind around 9 mph.

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind 9 to 15 mph, with gusts as high as 26 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Heat index values as high as 101. West wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southwest wind 7 to 9 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. West wind 8 to 10 mph, with gusts as high as 20 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 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. West wind 3 to 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 86. Southwest wind around 9 mph.
Tonight
Partly cloudy, with a low around 75. South wind 9 to 15 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 92. Heat index values as high as 101. West wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 76. Southwest wind 7 to 9 mph.
Monday
Sunny and hot, with a high near 94. West wind 8 to 10 mph, with gusts as high as 20 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 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 70. West wind 3 to 6 mph.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. 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 83. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hemlock NY
 42.77°N 77.61°W (Elev. 978 ft)
10:36 am EDT Jun 21, 2025
1pm 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