Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Milwaukee-Timmerman (KMWC)

Lat: 43.11°NLon: 88.03°WElev: 735ft.

Partly Cloudy

72°F

22°C

Humidity 73%
Wind Speed N 12 G 16 mph
Barometer 29.87 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 28 Jul 9:35 am CDT
Extended Forecast for

Lannon WI

  • Today

    Today: Sunny, with a high near 79. Northeast wind 5 to 15 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northeast wind 5 to 10 mph becoming light north  in the evening.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming north around 5 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 79. Northeast wind 5 to 15 mph.
Tonight
Mostly clear, with a low around 59. Northeast wind 5 to 10 mph becoming light north in the evening.
Wednesday
Sunny, with a high near 84. Calm wind becoming north around 5 mph.
Wednesday Night
Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lannon WI
 43.16°N 88.17°W (Elev. 899 ft)
7:52 am CDT Jul 28, 2026
9am CDT Jul 28, 2026-6pm CDT Aug 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database