Hourly Weather Forecast - Lannon, WI

12 PM
29°F
0%
11mph
WSW
Cloudy
Humidity
90%
Feels like
19°F
Dew Point
26°F
1 PM
29°F
0%
9mph
WSW
Cloudy
Humidity
90%
Feels like
20°F
Dew Point
26°F
2 PM
29°F
10%
8mph
WSW
Cloudy
Humidity
90%
Feels like
22°F
Dew Point
27°F
3 PM
29°F
10%
7mph
WSW
Cloudy
Humidity
91%
Feels like
23°F
Dew Point
27°F
4 PM
30°F
20%
6mph
SW
Cloudy
Humidity
91%
Feels like
24°F
Dew Point
28°F
4:17 PM
5 PM
31°F
30%
6mph
SSW
30% Chance of Snow
Humidity
92%
Feels like
25°F
Dew Point
29°F
6 PM
32°F
60%
6mph
S
60% Chance of Heavy Snow
Humidity
93%
Feels like
25°F
Dew Point
30°F
7 PM
32°F
70%
8mph
SSE
70% Chance of Heavy Snow
Humidity
95%
Feels like
25°F
Dew Point
31°F
8 PM
33°F
100%
9mph
SSE
Snow
Humidity
95%
Feels like
25°F
Dew Point
32°F
9 PM
34°F
90%
10mph
SSE
Snow
Humidity
93%
Feels like
26°F
Dew Point
32°F
10 PM
35°F
90%
10mph
S
Snow
Humidity
92%
Feels like
28°F
Dew Point
33°F
11 PM
37°F
70%
10mph
SSW
70% Chance Frozen Mix
Humidity
88%
Feels like
29°F
Dew Point
33°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide