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

Air Quality Concerns; Fire Weather; Extreme Heat; Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin. Heavy rainfall and flash flooding possible for the Southeast through Monday. For Hawaii, gusty trade winds a drier weather could result in any fires that start to spread rapidly. Read More >

Hazardous Weather Conditions

Current conditions at

Fond Du Lac County Airport (KFLD)

Lat: 43.77°NLon: 88.49°WElev: 791ft.

Fog/Mist

57°F

14°C

Humidity 96%
Wind Speed Calm
Barometer 30.17 in (1021.5 mb)
Dewpoint 56°F (13°C)
Visibility 5.00 mi
Last update 4 Aug 2:53 am CDT
Extended Forecast for

2 Miles ENE Byron WI

  • Overnight

    Overnight: Areas of smoke. Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Areas Smoke

  • Monday

    Monday: Areas of smoke. Mostly sunny, with a high near 81. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 81 °F

    Areas Smoke

  • Monday Night

    Monday Night: Areas of smoke after midnight. Mostly clear, with a low around 60. East wind around 5 mph.

    Low: 60 °F

    Mostly Clear
    then Areas
    Smoke

  • Tuesday

    Tuesday: Areas of smoke. Sunny, with a high near 83. East wind 5 to 10 mph.

    High: 83 °F

    Areas Smoke

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. East wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Southeast wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind 5 to 10 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Areas of smoke. Partly cloudy, with a low around 57. Calm wind.
Monday
Areas of smoke. Mostly sunny, with a high near 81. Light east wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Areas of smoke after midnight. Mostly clear, with a low around 60. East wind around 5 mph.
Tuesday
Areas of smoke. Sunny, with a high near 83. East wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 61. East wind around 5 mph.
Wednesday
Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 65. Southeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Byron WI
 43.69°N 88.44°W (Elev. 1047 ft)
Last Update:
2:54 am CDT Aug 4, 2025
Forecast Valid:
3am CDT Aug 4, 2025-6pm CDT Aug 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation