The weather observed at MADISON, WI (KMSN) at 05:53 AM CST was: The skies were cloudy. Temperature: 16F ( -9C) Dewpoint: 14F (-10C) Relative Humidity: 92% Winds from the W (270 degs) at 3 mph. Pressure: 1016.0 millibars. Altimeter:29.96 inches of mercury. The prevailing visibility was 10 miles. The maximum temperature in the past 6 hours was 20F. The minimum temperature in the past 6 hours was 16F. There was 0.07 inches of precipitation in the past 24 hours.