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

Hazardous Weather Conditions

Current conditions at

Milwaukee-Timmerman (KMWC)

Lat: 43.11°NLon: 88.03°WElev: 735ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 68°F (20°C)
Visibility 1.75 mi
Last update 12 Aug 6:35 am CDT
Extended Forecast for

Lannon WI

  • Today

    Today: Areas of fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming east around 5 mph.

    High: 82 °F

    Areas Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. East wind around 5 mph becoming calm.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 10 percent chance of showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 64. Calm wind becoming northeast around 5 mph after midnight.

    Low: 64 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 79. Southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming east around 5 mph.
Tonight
Partly cloudy, with a low around 64. East wind around 5 mph becoming calm.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A 10 percent chance of showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 64. Calm wind becoming northeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 79. Southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 79.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lannon WI
 43.16°N 88.17°W (Elev. 899 ft)
Last Update:
3:32 am CDT Aug 12, 2026
Forecast Valid:
6am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation