Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Genesee County Airport (KGVQ)

Lat: 43.03°NLon: 78.17°WElev: 914ft.

Mostly Cloudy

80°F

27°C

Humidity 71%
Wind Speed W 13 mph
Barometer 29.87 in (1010.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Jun 11:56 am EDT
Extended Forecast for

Lyndonville NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 82. West wind 5 to 7 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Patchy fog between 11pm and midnight.  Otherwise, mostly cloudy, with a low around 67. Calm wind becoming south 5 to 8 mph after midnight.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms.  Partly sunny, with a high near 76. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am.  Partly cloudy, with a low around 59. West wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 79. West wind 7 to 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Southwest wind around 7 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. Southwest wind 6 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 68. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. West wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 67. Calm wind becoming south 5 to 8 mph after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 59. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 79. West wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 64. Southwest wind around 7 mph.
Saturday
Partly sunny, with a high near 83. Southwest wind 6 to 10 mph.
Saturday Night
A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Lyndonville NY
 43.34°N 78.38°W (Elev. 299 ft)
10:36 am EDT Jun 18, 2025
12pm EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database