Catfish can be caught year-round but are most active in water temperatures between 60 and 80º F. They prefer hunting and feeding in low visibility conditions, so cloudy days with light to moderate southern or western winds can make for excellent catfishing.
Bluegills are most active during and after the spawn when the water has a temperature of approximately 55 to 75°F. The fishing for bluegill is often at its best on days with a light to moderate breeze, a slowly falling barometer, and a slightly overcast sky.
The best weather conditions for crappie include temperatures of 65 to 80°F, a falling or low barometric pressure, light southern or western winds, and an overcast sky. Light rain can also be advantageous when fishing for crappie.
The optimal weather conditions for musky fishing include colder to moderate temperatures of 50 and 70°F, falling barometric pressure, moderate southern or western winds, and an overcast sky. Light rain can also be advantageous when fishing for muskies.
The best weather conditions for walleye include moderate temperatures of 50 to 75°F, a stable barometric pressure, moderate winds, overcast days for clear water, and sunny days for dark water conditions.
It should be overcast, winds should be light, coming from the south or southwest, and there should be some humidity in the air. Regardless of the season, temperatures should be moderate, and a low-pressure system should have occurred recently.