Tongue River At State Line Nr Decker Mt Water Level

Updated: Jun 18, 2026 River Montana

Current Elevation

Sensor Offline

Water Temperature

68.9° F

Warm

Pleasant temperature. Great for kayaking, paddleboarding, and active swimming.

Flow Rate (Discharge)

Current flow is 289 cfs (cubic feet per second). Calm flow. Ideal for gentle kayaking and wading.

Map & Location

GPS: 45.00913610°N, -99.99999999°W

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❓ Frequently Asked Questions

Where is Tongue River At State Line Nr Decker Mt located?

Tongue River At State Line Nr Decker Mt is a River located in Montana. The exact GPS coordinates are 45.00913610°N, -99.99999999°W. You can use these coordinates to get driving directions via Google Maps.

What is the current water temperature at Tongue River At State Line Nr Decker Mt?

The latest recorded water temperature at Tongue River At State Line Nr Decker Mt is 68.9°F, which is classified as "Warm". Pleasant temperature. Great for kayaking, paddleboarding, and active swimming.

What is the current flow rate at Tongue River At State Line Nr Decker Mt?

The most recent discharge measurement at Tongue River At State Line Nr Decker Mt is 289 cubic feet per second (cfs). This data is provided by USGS and is updated daily.

Is it safe to swim or boat at Tongue River At State Line Nr Decker Mt?

Safety conditions at Tongue River At State Line Nr Decker Mt depend on current water levels, flow rates, temperature, and weather. Always check the latest data on this page before planning any water activities. Current water temperature is 68.9°F. We recommend checking local advisories and weather forecasts for the most up-to-date safety information.

Is Tongue River At State Line Nr Decker Mt good for fishing?

Tongue River At State Line Nr Decker Mt in Montana is a popular destination for anglers. With a current water temperature of 68.9°F, conditions are suitable for warm-water species like catfish, crappie, and largemouth bass. Always verify you have the appropriate state fishing license.