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

Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

Fond Du Lac County Airport (KFLD)

Lat: 43.77°NLon: 88.49°WElev: 791ft.

Fair

72°F

22°C

Humidity 33%
Wind Speed W 17 G 25 mph
Barometer 29.83 in (1009.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 7 Oct 12:53 pm CDT
Extended Forecast for

Byron WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. West wind 10 to 15 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. West wind 5 to 10 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Northwest wind 5 to 10 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 45. West wind around 5 mph becoming calm.

    Low: 45 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68. Light south wind increasing to 5 to 10 mph in the morning.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Southeast wind 10 to 15 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. South wind around 15 mph, with gusts as high as 30 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 45. West wind 5 to 10 mph.
Thursday
Sunny, with a high near 66. Northwest wind 5 to 10 mph.
Thursday Night
Increasing clouds, with a low around 45. West wind around 5 mph becoming calm.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 56. Southeast wind 10 to 15 mph.
Saturday
Sunny, with a high near 79. South wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 60. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 53.
Columbus Day
Mostly sunny, with a high near 70.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron WI
 43.67°N 88.44°W (Elev. 1089 ft)
Last Update:
1:12 pm CDT Oct 7, 2026
Forecast Valid:
1pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation