The weather observed at MADISON, WI (KMSN) at 09:08 AM CST was: The skies were mostly cloudy. Temperature: 25F ( -4C) Dewpoint: 19F ( -7C) Relative Humidity: 80% Winds from the NNW(340 degs) at 17 mph. Altimeter:29.63 inches of mercury. The prevailing visibility was 10 miles. There was 0.00 inches of precipitation in the past 6 hours.