Though often times conservationists want to fight storm water erosion and runoff, it does actually provide important nutrients for the water, resulting in healthier and larger fish (the down side is water quality is affected and some fish species may be pushed out of a body of water due to this). With fresh nutrients in the water due to recent runoff, forage species such as shad and herring will be concentrated in these muddy areas. Of course we all know that predators follow the prey and fish such as bass and catfish will do the same, often being found adjacent to or just inside the transition from clearer water to muddy water, especially if there is good structure around that they can relate to (a hump, standing timber, a sunken brush pile, a shallow flat next to a channel or deeper water, etc.).
So keep that in mind while you are watching it rain these next few days, ready to go as soon as the first peek of sunshine breaks through the milky gray sky. Or tough it out and get out there while it is raining (as long as the wind doesn't want to blow you off the lake or it's raining so hard you can't see the end of your rod), taking advantage of the rains impact on the water as it happens. Either way, remember to look for those water clarity transition areas and be ready to set the hook. Tight lines!