LOZ time is short

I have to think five straight days of low 40s air temps and drizzle with low hanging clouds have put the fish in a rather neutral mood. This place needs some sun and thats it. A 3 day warming trend would be nice but in mid MO, thats an unrealistic expectation in mid March. My practice strategy was to try and find a couple groups of fish getting ready to move in the direction of the shallows but that has been kinda miss and miss so the last day or so has really been about trying to find places where some of those fish may be moving to when the sun does show it's face and then try and get bit in those areas, even a nudge on a jig would tell a guy hey, we are here, we are just not active YET... What few fish I have caught would lead me to believe that they are further back towards the flats than most would think they would be including me, two to six feet of water around prepared brush piles and if you get any kind of rock transition in the vicinity that is a bonus. So, given the above to be my theory, I plan to junk fish those spots in areas with a variety of techniques in hopes of figuring what presentation the fish want on the fly, not ideal but it's what I got.