National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

Mostly Cloudy

74°F

23°C

Humidity 71%
Wind Speed SE 7 mph
Barometer 30.12 in (1020.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 8:54 am EDT
Extended Forecast for

Hartsville NY

Heat Advisory June 22, 12:00pm until June 25, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 71. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Heat index values as high as 96. West wind around 11 mph, with gusts as high as 22 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. West wind around 7 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 92. West wind 7 to 9 mph.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 71. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 90. Heat index values as high as 96. West wind around 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 72. West wind around 7 mph.
Monday
Sunny and hot, with a high near 92. West wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. 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 and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hartsville NY
 42.25°N 77.7°W (Elev. 1650 ft)
Last Update:
6:30 am EDT Jun 21, 2025
Forecast Valid:
9am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation