Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

75°F

24°C

Humidity 57%
Wind Speed SE 9 mph
Barometer 29.88 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Jun 7:45 pm CDT
Extended Forecast for

Lannon WI

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph becoming southwest after midnight.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 10am, then a slight chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 84. West wind 10 to 15 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 65. West wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm.  High near 75. Light and variable wind becoming southeast 5 to 10 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers.  Mostly cloudy, with a low around 60. North wind 5 to 10 mph becoming west after midnight.  Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 80. West wind 5 to 10 mph.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 78. West wind 5 to 10 mph becoming south in the afternoon.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph becoming southwest after midnight.
Tuesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 10am, then a slight chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. West wind 10 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 65. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 1pm. High near 75. Light and variable wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 60. North wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 50%.
Juneteenth
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 80. West wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 60. West wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. West wind 5 to 10 mph becoming south in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Lannon WI
 43.14°N 88.18°W (Elev. 912 ft)
5:38 pm CDT Jun 16, 2025
8pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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