National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Genesee County Airport (KGVQ)

Lat: 43.03°NLon: 78.17°WElev: 914ft.

Overcast

60°F

16°C

Humidity 80%
Wind Speed W 12 G 20 mph
Barometer 29.69 in (1005.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Jun 2:56 am EDT
Extended Forecast for

South Byron NY

  • Overnight

    Overnight: Mostly clear, with a low around 57. West wind around 13 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 72. Breezy, with a west wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Sunny then
    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. West wind 11 to 15 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73. West wind 11 to 15 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 55. West wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 76. West wind 5 to 8 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 50%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 70. Southeast wind 7 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 57. West wind around 13 mph, with gusts as high as 23 mph.
Juneteenth
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 72. Breezy, with a west wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 54. West wind 11 to 15 mph.
Saturday
Sunny, with a high near 73. West wind 11 to 15 mph.
Saturday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 55. West wind 5 to 8 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 76. West wind 5 to 8 mph.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 50%.
Monday
Showers, mainly after 8am. High near 70. Southeast wind 7 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Byron NY
 43.05°N 78.07°W (Elev. 656 ft)
Last Update:
2:22 am EDT Jun 19, 2026
Forecast Valid:
3am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation