Hourly Weather Forecast - South Madison, WI

12 AM
40°F
30%
7mph
WNW
30% Chance of Light Rain
Humidity
95%
Feels like
36°F
Dew Point
39°F
1 AM
40°F
30%
7mph
WNW
30% Chance of Light Rain
Humidity
95%
Feels like
35°F
Dew Point
38°F
2 AM
40°F
30%
8mph
NW
30% Chance of Light Rain
Humidity
94%
Feels like
34°F
Dew Point
38°F
3 AM
39°F
30%
8mph
NW
30% Chance of Light Rain
Humidity
95%
Feels like
33°F
Dew Point
37°F
4 AM
38°F
10%
8mph
NW
Cloudy
Humidity
95%
Feels like
32°F
Dew Point
37°F
5 AM
37°F
10%
9mph
NW
Cloudy
Humidity
96%
Feels like
31°F
Dew Point
36°F
6 AM
37°F
10%
9mph
NW
Cloudy
Humidity
95%
Feels like
31°F
Dew Point
36°F
7 AM
38°F
10%
8mph
NNW
Cloudy
Humidity
92%
Feels like
32°F
Dew Point
36°F
7:27 AM
8 AM
39°F
10%
8mph
NNW
Cloudy
Humidity
89%
Feels like
33°F
Dew Point
36°F
9 AM
40°F
10%
8mph
NNW
Cloudy
Humidity
87%
Feels like
35°F
Dew Point
36°F
10 AM
41°F
10%
8mph
NNW
Cloudy
Humidity
86%
Feels like
36°F
Dew Point
37°F
11 AM
42°F
10%
7mph
NNW
Cloudy
Humidity
86%
Feels like
37°F
Dew Point
38°F
12 PM
42°F
10%
7mph
NNW
Cloudy
Humidity
87%
Feels like
38°F
Dew Point
39°F
1 PM
43°F
10%
6mph
N
Cloudy
Humidity
88%
Feels like
39°F
Dew Point
40°F
2 PM
44°F
10%
6mph
N
Cloudy
Humidity
90%
Feels like
40°F
Dew Point
41°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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