Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

Fair

67°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 30.06 in (1018.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 28 Jun 11:54 pm EDT
Extended Forecast for

Sonyea NY

  • Overnight

    Overnight: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 70. Light and variable wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm.  Partly sunny and hot, with a high near 93. Heat index values as high as 101. Southwest wind 5 to 9 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. Southwest wind around 6 mph.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 94. West wind 8 to 14 mph.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southwest wind 5 to 8 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. West wind 5 to 10 mph.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 62. Calm wind.
Monday
Mostly sunny, with a high near 89. Calm wind.
Monday Night
A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm. Partly sunny and hot, with a high near 93. Heat index values as high as 101. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 75. Southwest wind around 6 mph.
Wednesday
Mostly sunny and hot, with a high near 94. West wind 8 to 14 mph.
Wednesday Night
Mostly clear, with a low around 76. Southwest wind 5 to 8 mph.
Thursday
Sunny and hot, with a high near 96. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 75.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Independence Day
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 91. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny and hot, with a high near 90. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonyea NY
 42.68°N 77.83°W (Elev. 600 ft)
9:57 pm EDT Jun 28, 2026
12am EDT Jun 29, 2026-6pm EDT Jul 5, 2026
 
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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