Lannon, WI Weather Forecast
Local 7-day forecast
Chance Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Lannon, WI in one place.
A chance of rain showers before 11am. Mostly cloudy. High near 42, with temperatures falling to around 37 in the afternoon. North wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Lannon, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 11, 2026 11:57 AM CST.
The active forecast window currently covers Nov 12 to Nov 17, 2026 for Lannon, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 12 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 11:57 AM CST
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lannon
Tuesday looks like the warmest upcoming period in Lannon at 51 degrees F.
Friday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Thursday at about 10 to 20 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 11, 2026 11:57 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 27. North wind 5 to 10 mph.
Mostly sunny, with a high near 42. North wind 10 to 15 mph.
Mostly clear, with a low around 25. Northwest wind around 5 mph.
Sunny. High near 45, with temperatures falling to around 40 in the afternoon. North wind around 5 mph.
Partly cloudy, with a low around 27. North wind around 0 mph.
Mostly sunny. High near 47, with temperatures falling to around 42 in the afternoon.
Partly cloudy, with a low around 29.
Mostly sunny. High near 48, with temperatures falling to around 43 in the afternoon.
Partly cloudy, with a low around 30.
Sunny. High near 51, with temperatures falling to around 46 in the afternoon.
Mostly clear, with a low around 32.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Chance Rain Showers then Mostly Cloudy
|
42°F |
10 to 20 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
27°F |
5 to 10 mph
N
|
|
Friday
Nov 13
|
Mostly Sunny
|
42°F |
10 to 15 mph
N
|
|
Friday Night
Nov 13
|
Mostly Clear
|
25°F |
5 mph
NW
|
|
Saturday
Nov 14
|
Sunny
|
45°F |
5 mph
N
|
|
Saturday Night
Nov 14
|
Partly Cloudy
|
27°F |
0 mph
|
|
Sunday
Nov 15
|
Mostly Sunny
|
47°F |
0 mph
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
29°F |
0 mph
|
|
Monday
Nov 16
|
Mostly Sunny
|
48°F |
0 mph
|
|
Monday Night
Nov 16
|
Partly Cloudy
|
30°F |
0 mph
|
|
Tuesday
Nov 17
|
Sunny
|
51°F |
0 to 5 mph
SW
|
|
Tuesday Night
Nov 17
|
Mostly Clear
|
32°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lannon.