Updated
Boulder River
River
Live flow only — judge the water in person
Use cautionLive flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby.
- Live streamflow is available but no water-temperature sensor is nearby.
- Flow is within the normal range (25th–75th percentile) for Aug 23 (median 21 ft³/s over 83 years).
Live flow only — judge the water in person
Use cautionLive flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby.
- Live streamflow is available but no water-temperature sensor is nearby. — USGS gauge 06033000, as of Aug 23, 4:15 AM gauge-local time
- Flow is within the normal range (25th–75th percentile) for Aug 23 (median 21 ft³/s over 83 years). — USGS daily streamflow statistics, as of Aug 23, 4:15 AM gauge-local time
Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 23 (median 21 ft³/s over 83 years).
No official beach-advisory feed for Montana yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge Boulder River near Boulder, MT (4 mi away), as of Aug 23, 4:15 AM gauge-local time.
Weather at Boulder River
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Frequently asked questions
- Where is Boulder River?
- Boulder River is a river in Montana.
- Can you swim at Boulder River?
- Live flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby. Checked August 23, 2026.
- How is Boulder River rated?
- Boulder River in Montana has an average visitor rating of 4.3 out of 5, based on 54 reviews.
- What amenities does Boulder River have?
- Visitor-listed amenities at Boulder River include camping-nearby.
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- ›Check water levels and current conditions before visiting
- ›Wear life jackets when on the water
- ›Be aware of rapids and potential hazards
- ›Respect private property along riverbanks
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