Top Discharges

Streamgauges reporting the most discharge on the Jefferson River



10 Day Trend

Discharge comparison for the highest gauges over the past 10 days



Expected Streamflow Ranges

Streamflow discharge range for this time of year

The Jefferson River is a tributary of the Missouri River, approximately 83 miles (134 km) long, in the U.S. state of Montana. The Jefferson River and the Madison River form the official beginning of the Missouri at Missouri Headwaters State Park near Three Forks. It is joined 0.6 miles (1.0 km) downstream (northeast) by the Gallatin. From broad valleys to a narrow canyon, the Jefferson River passes through a region of significant geological diversity, with some of the oldest and youngest rocks of North America and a diversity of igneous, metamorphic, and sedimentary formations. The region was only intermittently inhabited ... Source: Wikipedia