Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Hazardous Weather Conditions

Current conditions at

Milwaukee-Timmerman (KMWC)

Lat: 43.11°NLon: 88.03°WElev: 735ft.

Fair

59°F

15°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 10 Sep 7:35 am CDT
Extended Forecast for

Lannon WI

  • Today

    Today: Mostly sunny, with a high near 77. Northwest wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. East wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79. West wind 5 to 10 mph.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Northwest wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. North wind around 5 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 60. Northeast wind around 5 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 77. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 55. East wind around 5 mph becoming calm.
Friday
Sunny, with a high near 78. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 59. South wind around 5 mph.
Saturday
Partly sunny, with a high near 79. West wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 56. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 73. North wind around 5 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 60. Northeast wind around 5 mph.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 71.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Lannon WI
 43.16°N 88.17°W (Elev. 899 ft)
5:41 am CDT Sep 10, 2026
7am CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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