The weather observed at MADISON, WI (KMSN) at 06:53 AM CDT was: The skies were clear. Temperature: 57F ( 14C) Dewpoint: 57F ( 14C) Relative Humidity: 100% Winds were calm. Pressure: 1014.9 millibars. Altimeter:29.98 inches of mercury. The prevailing visibility was 10 miles. The maximum temperature in the past 6 hours was 65F. The minimum temperature in the past 6 hours was 55F. There was 0.11 inches of precipitation in the past 24 hours.