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

Fond Du Lac County Airport (KFLD)

Lat: 43.77°NLon: 88.49°WElev: 791ft.

Overcast

27°F

-3°C

Humidity 78%
Wind Speed W 12 mph
Barometer 29.88 in (1012.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 20 Feb 9:53 pm CST
Extended Forecast for

Byron WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Northwest wind around 15 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 32. Northwest wind 10 to 15 mph.

    High: 32 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of flurries before 9pm, then a chance of snow, mainly after midnight. Mostly cloudy, with a low around 20. Northwest wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 27 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 13. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 23. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 17 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 33. Southwest wind 10 to 15 mph.

    High: 33 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. Northwest wind around 15 mph.
Saturday
Partly sunny, with a high near 32. Northwest wind 10 to 15 mph.
Saturday Night
A chance of flurries before 9pm, then a chance of snow, mainly after midnight. Mostly cloudy, with a low around 20. Northwest wind 10 to 15 mph. Chance of precipitation is 40%.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 13. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 23. North wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 33. Southwest wind 10 to 15 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Wednesday
A slight chance of snow before noon, then a slight chance of rain and snow. Partly sunny, with a high near 36. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 22.
Friday
Mostly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Byron WI
 43.67°N 88.44°W (Elev. 1089 ft)
Last Update:
10:42 pm CST Feb 20, 2026
Forecast Valid:
10pm CST Feb 20, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation