The weather observed at MADISON, WI (KMSN) at 11:53 AM CDT was: The skies were clear. Temperature: 75F ( 24C) Dewpoint: 61F ( 16C) Relative Humidity: 61% Winds from the ENE(070 degs) at 8 mph. Pressure: 1014.5 millibars. Altimeter:29.97 inches of mercury. The prevailing visibility was 10 miles.