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Missouri River water temperature

Missouri River, Wolf Point, Montana · River

The current water temperature at Missouri River is 15.0 °C (as of September 21, 2026, source: USGS).

A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.

15.0 °C
Measured: September 21, 2026 · continuously updated
💧 Water 15.0° · ☀️ Air 11.1° · high today 20.5°
Temperature trend of recent weeks
Missouri River
Photo: John N. DeHaas, Jr · Public domain · Wikimedia Commons

Measurement series & statistics

This measurement series includes 289 data points since July 23, 2026.

Lowest recorded value: 13.7 °C on September 15, 2026 · highest value: 21.2 °C on July 24, 2026.

In September, temperatures have ranged between 13.7 °C and 19.8 °C.

The current value is 2.0 °C below the September average of this series.

Nearby waters

More measuring points: Missouri River

Frequently asked questions

Can you swim at Missouri River right now?
The current water temperature is 15.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Missouri River?
Currently 15.0 °C (updated continuously).

How warm is at Missouri River in September?
In September, the water temperature recently averaged 17.0 °C.

When is the water warmest at Missouri River?
Across the measurement record, July is on average the warmest month (19.4 °C).

Open in the BrrChecker app

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