The weather observed at MADISON, WI (KMSN) at 07:53 PM CST was: The skies were clear. Temperature: 30F ( -1C) Dewpoint: 21F ( -6C) Relative Humidity: 69% Winds from the WNW(290 degs) at 8 mph. Pressure: 1000.0 millibars. Altimeter:29.50 inches of mercury. The prevailing visibility was 10 miles.