The weather observed at MADISON, WI (KMSN) at 11:53 AM CDT was: The skies were mostly clear. Temperature: 55F ( 13C) Dewpoint: 43F ( 6C) Relative Humidity: 62% Winds from the SE (140 degs) at 13 mph. Pressure: 1028.5 millibars. Altimeter:30.36 inches of mercury. The prevailing visibility was 10 miles.