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.

A Few Clouds

87°F

31°C

Humidity 45%
Wind Speed Calm
Barometer 30.04 in (1017.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 21 Jun 4:54 pm EDT
Extended Forecast for

3 Miles SSE Sonyea NY

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

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 78. Southwest wind 7 to 15 mph.  Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 95. Heat index values as high as 105. West wind 13 to 16 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. Southwest wind around 7 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 105. West wind 6 to 10 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. West wind 6 to 10 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. West wind around 6 mph becoming calm  in the evening.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 89. Calm wind becoming northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 50%.

    High: 89 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 78. Southwest wind 7 to 15 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny and hot, with a high near 95. Heat index values as high as 105. West wind 13 to 16 mph.
Sunday Night
Mostly clear, with a low around 78. Southwest wind around 7 mph.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 105. West wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 76. Southwest wind around 6 mph.
Tuesday
Sunny and hot, with a high near 95. West wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 72. West wind around 6 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
Showers likely, mainly after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Sonyea NY
 42.66°N 77.78°W (Elev. 600 ft)
4:36 pm EDT Jun 21, 2025
5pm EDT Jun 21, 2025-6pm EDT Jun 28, 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