Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Genesee County Airport (KGVQ)

Lat: 43.03°NLon: 78.17°WElev: 914ft.

Fair

75°F

24°C

Humidity 52%
Wind Speed Vrbl 3 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 26 Aug 11:56 am EDT
Extended Forecast for

Byron NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 80. South wind 3 to 7 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Calm wind becoming south 5 to 7 mph in the evening.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 80. West wind 8 to 16 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 58. West wind 3 to 8 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 80. South wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 64. Calm wind becoming south 5 to 7 mph in the evening.
Thursday
A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 80. West wind 8 to 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. West wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 78. Light and variable wind becoming west around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 56. Light and variable wind.
Sunday
Partly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 65.
Monday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Byron NY
 43.08°N 78.06°W (Elev. 623 ft)
9:57 am EDT Aug 26, 2026
12pm EDT Aug 26, 2026-6pm EDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database