The weather observed at MADISON, WI (KMSN) at 01:53 AM CDT was: The skies were cloudy. The weather reported was light rain. Temperature: 66F ( 19C) Dewpoint: 63F ( 17C) Relative Humidity: 88% Winds from the NE (030 degs) at 16 mph. Pressure: 1009.2 millibars. Altimeter:29.82 inches of mercury. The prevailing visibility was 10 miles. There was 0.00 inches of precipitation in the past 6 hours.