Below are several daily updated river conditions charts for the Provo and Weber rivers in Utah, and the Green River in Wyoming. With these charts, you can gage river discharge and the height of the river in the respective locations. You can also see the trend for the past seven days. Understanding a stream's water flow helps determine where the best fishing will be. Slow water is more difficult to read how your fish are rising for the "food." This tip and others are carefully planned out prior to leaving for a fly fishing trip by the well-trained and seasoned fly fishing guides.