The weather observed at MADISON, WI (KMSN) at 05:53 PM CDT was: The skies were partly cloudy. Temperature: 81F ( 27C) Dewpoint: 63F ( 17C) Relative Humidity: 54% Winds from the NNW(340 degs) at 6 mph. Pressure: 1015.1 millibars. Altimeter:29.99 inches of mercury. The prevailing visibility was 10 miles.