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.

Fair

88°F

31°C

Humidity 39%
Wind Speed SW 5 mph
Barometer 30.03 in (1017.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 21 Jun 3:54 pm EDT
Extended Forecast for

3 Miles WSW Swain 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: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 72. South wind 10 to 17 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. West wind 14 to 17 mph.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Southwest wind 7 to 9 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91. West wind 8 to 10 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Southwest wind 6 to 8 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West wind around 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. West wind around 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 72. South wind 10 to 17 mph.
Sunday
Mostly sunny, with a high near 89. West wind 14 to 17 mph.
Sunday Night
Mostly clear, with a low around 73. Southwest wind 7 to 9 mph.
Monday
Sunny and hot, with a high near 91. West wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 72. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 89. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 68. West wind around 7 mph.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
Showers likely. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Swain NY
 42.47°N 77.93°W (Elev. 1998 ft)
1:36 pm EDT Jun 21, 2025
4pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025
 
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Additional Resources

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