Fresno is 30% full. Inflow 176 cfs & outflow is 40 cfs.
Nelson is 80% full. Inflow 200 cfs & outflow is 0.
Both reservoirs have unstable ice conditions. For fishing try the rivers and smaller ponds. There are multiple ponds with walleye in the Hi-Line area. Look at FWP pond guide for locations. Here is a current pic of Fresno.