Hourly Weather Forecast - South Madison, WI

12 AM
38°F
10%
3mph
SE
Cloudy
Humidity
96%
Feels like
38°F
Dew Point
37°F
1 AM
38°F
10%
3mph
ESE
Cloudy
Humidity
97%
Feels like
38°F
Dew Point
37°F
2 AM
37°F
10%
3mph
ENE
Cloudy
Humidity
98%
Feels like
35°F
Dew Point
37°F
3 AM
37°F
10%
4mph
ENE
Foggy
Humidity
100%
Feels like
34°F
Dew Point
37°F
4 AM
36°F
10%
4mph
ENE
Foggy
Humidity
100%
Feels like
33°F
Dew Point
36°F
5 AM
36°F
10%
4mph
ESE
Foggy
Humidity
100%
Feels like
33°F
Dew Point
36°F
6 AM
36°F
10%
4mph
SE
Foggy
Humidity
100%
Feels like
33°F
Dew Point
36°F
7 AM
37°F
10%
4mph
SE
Foggy
Humidity
99%
Feels like
34°F
Dew Point
37°F
7:27 AM
8 AM
38°F
10%
4mph
SSE
Cloudy
Humidity
97%
Feels like
35°F
Dew Point
37°F
9 AM
40°F
10%
4mph
SSE
Cloudy
Humidity
94%
Feels like
37°F
Dew Point
38°F
10 AM
41°F
10%
4mph
S
Cloudy
Humidity
92%
Feels like
38°F
Dew Point
39°F
11 AM
42°F
10%
4mph
S
Cloudy
Humidity
91%
Feels like
39°F
Dew Point
39°F
12 PM
43°F
10%
4mph
SSW
Cloudy
Humidity
90%
Feels like
40°F
Dew Point
40°F
1 PM
43°F
10%
4mph
SSW
Cloudy
Humidity
88%
Feels like
41°F
Dew Point
40°F
2 PM
43°F
10%
4mph
SSW
Cloudy
Humidity
88%
Feels like
42°F
Dew Point
40°F
3 PM
43°F
10%
4mph
SW
Cloudy
Humidity
91%
Feels like
41°F
Dew Point
40°F
4 PM
42°F
10%
3mph
SW
Cloudy
Humidity
94%
Feels like
40°F
Dew Point
40°F
4:27 PM
5 PM
42°F
10%
4mph
SW
Cloudy
Humidity
95%
Feels like
40°F
Dew Point
41°F
6 PM
42°F
10%
4mph
SW
Cloudy
Humidity
96%
Feels like
39°F
Dew Point
41°F
7 PM
42°F
10%
4mph
WSW
Cloudy
Humidity
97%
Feels like
39°F
Dew Point
41°F
8 PM
41°F
10%
5mph
WSW
Cloudy
Humidity
97%
Feels like
38°F
Dew Point
41°F
9 PM
41°F
10%
5mph
W
Cloudy
Humidity
96%
Feels like
38°F
Dew Point
40°F
10 PM
41°F
10%
6mph
W
Cloudy
Humidity
95%
Feels like
37°F
Dew Point
40°F
11 PM
41°F
30%
6mph
WNW
30% Chance of Light Rain
Humidity
96%
Feels like
36°F
Dew Point
40°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

White Christmas? What Are The Odds

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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