Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Genesee County Airport (KGVQ)

Lat: 43.03°NLon: 78.17°WElev: 914ft.

Fair

61°F

16°C

Humidity 90%
Wind Speed S 3 mph
Barometer 30.05 in (1017.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Aug 8:56 am EDT
Extended Forecast for

4 Miles SE Lyndonville NY

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.

    High: 77 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. East wind around 7 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 82. Southeast wind around 6 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 59. Southeast wind around 6 mph becoming southwest after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers.  Partly sunny, with a high near 78. West wind 9 to 15 mph.  Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 54. West wind 8 to 10 mph.  Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers after 8am.  Mostly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 80. Calm wind becoming east 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 59. East wind around 7 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers. Partly sunny, with a high near 78. West wind 9 to 15 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 54. West wind 8 to 10 mph. Chance of precipitation is 30%.
Monday
A chance of showers after 8am. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Lyndonville NY
 43.27°N 78.33°W (Elev. 400 ft)
7:57 am EDT Aug 20, 2026
9am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database