Local Forecast

Lannon, WI Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Lannon, WI.

Active Alerts 2 active

Hour-by-Hour  Current Observation

Sunday 5:35 PM CDTSunday 5:35 PM

°F °C
Regional Observations →
73°F

Mostly Cloudy

  • 80° / 66° High / Low
  • 73° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

4

Moderate

Humidity

83%

Dew 68°F

Sun

5:14 AM · 8:36 PM

Rise · Set

Source: WEST BEND (KETB). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

80° 66°

Chance of Scattered Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Today

Chance of Scattered Thunderstorms High near 80°F.

Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Monday

93° 75°

Mostly Cloudy

Overnight: Partly Cloudy

Detailed forecast

Monday

Isolated rain showers before 7am. Partly sunny, with a high near 93. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Night

Mostly clear, with a low around 74. Heat index values as high as 100. Southwest wind 10 to 15 mph.

Tuesday

95° 73°

Mostly Sunny

Overnight: Isolated T-storm

Detailed forecast

Tuesday

Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Night

A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Wednesday

95° 75°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Wednesday

Sunny, with a high near 95. Southwest wind 10 to 15 mph.

Night

Mostly clear, with a low around 74. Southwest wind 5 to 10 mph.

Thursday

95° 73°

Chance of Scattered Thunderstorms

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Thursday

A chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Southwest wind 5 to 15 mph. Chance of precipitation is 30%.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 50%.

Lannon, WI Weather Analysis Tools