The weather observed at MADISON, WI (KMSN) at 11:40 AM CDT was: The skies were mostly cloudy. Temperature: 77F ( 25C) Dewpoint: 66F ( 19C) Relative Humidity: 69% Winds from the NE (040 degs) at 7 mph. Altimeter:30.06 inches of mercury. The prevailing visibility was 10 miles. The weather observed at MADISON, WI (KMSN) at 11:53 AM CDT was: The skies were mostly cloudy. Temperature: 77F ( 25C) Dewpoint: 66F ( 19C) Relative Humidity: 69% Winds from the N (010 degs) at 9 mph. Pressure: 1017.5 millibars. Altimeter:30.06 inches of mercury. The prevailing visibility was 10 miles.