Lower Salmon River Weather in Idaho

The Lower Salmon River offers white sand beaches that glisten in the warm sun. With 70-degree water and daytime temperatures typically between 85 to 95 degrees, you have the perfect combination for an awesome rafting vacation.

Although the weather on the Lower Salmon River is warm and sunny for the most part, Mother Nature will occasionally surprise us with a renewing rainstorm or cooler temperatures. Temperatures can vary, but the following chart shows average temperature and precipitation for the months of July through September.

Temperature and Precipitation on the Lower Salmon River

NOTE: Use this weather forecast only as a general guide. As your trip will span miles of river, this forecast from the nearest major weather station may not be indicative of the entire region where your trip will take place. Weather in the canyon may vary greatly from the surrounding cities.

TIP: Since weather conditions can be unpredictable, we recommend having a two-piece rain suit available during the day. You may wish to fold it tightly and keep it in your personal day-use dry bag. (See recommended packing list).