Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Genesee County Airport (KGVQ)

Lat: 43.03°NLon: 78.17°WElev: 914ft.

Mostly Cloudy

76°F

24°C

Humidity 52%
Wind Speed W 15 mph
Barometer 29.93 in (1012.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 4:56 pm EDT
Extended Forecast for

3 Miles SE South Byron NY

  • Tonight

    Tonight: Clear, with a low around 55. Southwest wind 5 to 13 mph.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. West wind 3 to 5 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Calm wind becoming south around 6 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. South wind 5 to 7 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 2am.  Partly cloudy, with a low around 67. South wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 84. West wind 6 to 8 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm, then a chance of showers after 2am.  Mostly cloudy, with a low around 66. Southwest wind around 5 mph.  Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 81. West wind 6 to 8 mph.  Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm, then a chance of showers after 2am.  Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 55. Southwest wind 5 to 13 mph.
Tuesday
Sunny, with a high near 82. West wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 60. Calm wind becoming south around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 86. South wind 5 to 7 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 67. South wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 84. West wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Southwest wind around 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. West wind 6 to 8 mph. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A chance of showers before 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Byron NY
 43.03°N 78.01°W (Elev. 745 ft)
3:58 pm EDT Aug 3, 2026
5pm EDT Aug 3, 2026-6pm EDT Aug 10, 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