Webtoday’s and tonight’s madison, wi weather forecast, weather conditions and doppler radar from the weather channel and weather. com. Webdane county regional truax field (kmsn) location: Clear, with a low around 56. West wind around 15 mph. Sunny, with a high near 64. Breezy, with a northwest wind 15 to 20. Sunny, with a high near 69. Northwest wind 5 to 10 mph. Clear, with a low around 42. Northwest wind around 5 mph becoming calm in the.