Reply To: Madison River, Montana Home › Forums › Simpsons’ Fly Fishing Forum › Madison River, Montana › Reply To: Madison River, Montana August 18, 2015 at 7:41 pm #2775 al simpsonKeymaster Fished the Madison this morning. It was cloudy and cool, with temperature in the fifties. After a bit, a stiff wind came up as well. Bottom line, no significant hatch and very slow fishing. Need some sunny weather!