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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Genesee County Airport (KGVQ)

Lat: 43.03°NLon: 78.17°WElev: 914ft.

Light Rain

39°F

4°C

Humidity 70%
Wind Speed W 16 mph
Barometer 29.80 in (1009.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Nov 3:56 am EST
Extended Forecast for

Byron NY

  • Overnight

    Overnight: A chance of showers. Mostly cloudy, with a low around 35. West wind around 14 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly between 10am and noon. Mostly cloudy, with a high near 43. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Rain showers likely before 2am, then a chance of rain and snow showers between 2am and 3am, then a chance of rain showers after 3am. Mostly cloudy, with a low around 32. West wind 7 to 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers
    Likely then
    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers before 10am, then a chance of rain showers between 10am and 1pm. Mostly cloudy, with a high near 44. Northwest wind 7 to 13 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely after 1pm. Mostly cloudy, with a high near 55. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Rain. Low around 35. West wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    Low: 35 °F

    Rain

  • Sunday

    Sunday: A chance of rain showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 45. Breezy, with a west wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.

    High: 45 °F

    Breezy.
    Chance
    Showers then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow showers likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
A chance of showers. Mostly cloudy, with a low around 35. West wind around 14 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly between 10am and noon. Mostly cloudy, with a high near 43. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain showers likely before 2am, then a chance of rain and snow showers between 2am and 3am, then a chance of rain showers after 3am. Mostly cloudy, with a low around 32. West wind 7 to 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers before 10am, then a chance of rain showers between 10am and 1pm. Mostly cloudy, with a high near 44. Northwest wind 7 to 13 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 26. Light and variable wind.
Saturday
Showers likely after 1pm. Mostly cloudy, with a high near 55. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 35. West wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Sunday
A chance of rain showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 45. Breezy, with a west wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Monday
A chance of snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 40. Breezy. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron NY
 43.08°N 78.06°W (Elev. 623 ft)
Last Update:
3:36 am EST Nov 13, 2025
Forecast Valid:
4am EST Nov 13, 2025-6pm EST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation