The weather observed at MADISON, WI (KMSN) at 04:53 PM CST was: The skies were mostly cloudy. Temperature: 30F ( -1C) Dewpoint: 18F ( -8C) Relative Humidity: 59% Winds from the W (280 degs) at 6 mph. Pressure: 1014.1 millibars. Altimeter:29.92 inches of mercury. The prevailing visibility was 10 miles.