Updated
Jefferson Slough
River
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry.
- Flow is within the normal range (25th–75th percentile) for Aug 22 (median 7 ft³/s over 74 years).
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Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry. — USGS gauge 06035000, as of Aug 22, 12:15 PM gauge-local time
- Flow is within the normal range (25th–75th percentile) for Aug 22 (median 7 ft³/s over 74 years). — USGS daily streamflow statistics, as of Aug 22, 12:15 PM gauge-local time
Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 22 (median 7 ft³/s over 74 years).
No official beach-advisory feed for Montana yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge Willow Creek near Harrison MT (13 mi away), as of Aug 22, 12:15 PM gauge-local time.
Weather at Jefferson Slough
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Frequently asked questions
- Where is Jefferson Slough?
- Jefferson Slough is a river in Montana.
- What is the water temperature at Jefferson Slough?
- As of August 22, 2026, the water temperature at Jefferson Slough in Montana is 64°F (18°C), measured by USGS gauge 06035000, 13 miles away.
- Can you swim at Jefferson Slough?
- Cool water — ease in carefully: water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry. Checked August 22, 2026.
- What amenities does Jefferson Slough have?
- Visitor-listed amenities at Jefferson Slough include camping-nearby.
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Location & Contact
Montana
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