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

65°F

18°C

Humidity 90%
Wind Speed S 8 mph
Barometer 30.07 in (1018.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 29 Jun 1:54 am EDT
Extended Forecast for

Sonyea NY

  • Overnight

    Overnight: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Calm wind becoming southeast around 5 mph after midnight.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers.  Partly sunny and hot, with a high near 94. Heat index values as high as 102. South wind 5 to 9 mph.  Chance of precipitation is 30%.

    High: 94 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. West wind 8 to 13 mph.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Southwest wind 5 to 8 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. West wind 5 to 11 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. Calm wind.
Monday
Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 70. Calm wind becoming southeast around 5 mph after midnight.
Tuesday
A chance of showers and thunderstorms before 2pm, then a slight chance of showers. Partly sunny and hot, with a high near 94. Heat index values as high as 102. South wind 5 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 76. Southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 96. West wind 8 to 13 mph.
Wednesday Night
Mostly clear, with a low around 74. Southwest wind 5 to 8 mph.
Thursday
Sunny and hot, with a high near 97. West wind 5 to 11 mph.
Thursday Night
Mostly clear, with a low around 76.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonyea NY
 42.68°N 77.83°W (Elev. 600 ft)
2:22 am EDT Jun 29, 2026
2am 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