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Smith River in Montana

River62.1 mi
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Around here

Around Smith River

Thompson Guard Station9.5 miMiller Cabin17.4 mi10 mi

Data Source: Recreation.gov · Public land: USGS PAD-US

About this river

Smith River is a 62.1 mile river. Streamflow is measured at the USGS gauge Smith River near Ft Logan MT (site 06076690). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1978 to 2026

Smith River typically runs highest in June, at a median 263 cfs, and lowest in August, at 66 cfs. The highest flow on record for any single day is 3,220 cfs, in 1981.

Show the numbers
Typical flow by month at Smith River near Ft Logan MT, in cfs
MonthTypical (cfs)Usual range (cfs)
January7859 to 95
February9066 to 115
March12491 to 165
April138107 to 218
May226139 to 372
June263164 to 422
July12976 to 234
August6648 to 92
September8566 to 118
October10383 to 132
November9876 to 118
December8160 to 100

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 35 years of record. Statistics published by the US Geological Survey for Smith River near Ft Logan MT (site 06076690). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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