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Satellite view of Big Four Creek

Big Four Creek

River

Cold water — serious cold-shock risk today

Cold water

Cold water — serious cold-shock risk today: water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion.

  • Water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion.
  • Flow is within the normal range (25th–75th percentile) for Aug 23 (median 112 ft³/s over 39 years).
Cold waterGood conditions today

tributary to the Sultan River in Snohomish County, Washington, United States

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Cold water — serious cold-shock risk today

Cold water

Cold water — serious cold-shock risk today: water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion.

  • Water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion. USGS gauge 12137800, as of Aug 23, 4:15 PM gauge-local time
  • Flow is within the normal range (25th–75th percentile) for Aug 23 (median 112 ft³/s over 39 years). USGS daily streamflow statistics, as of Aug 23, 4:15 PM gauge-local time
Water temp
55°F
13°C
Streamflow
109 ft³/s
discharge
Gage height
25.74 ft
water level

Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 23 (median 112 ft³/s over 39 years).

No official beach-advisory feed for Washington yet — follow posted signs and local guidance.

Live, provisional data from USGS gauge SULTAN RIVER BELOW DIVERSION DAM NEAR SULTAN, WA (1.2 mi away), as of Aug 23, 4:15 PM gauge-local time.

Weather at Big Four Creek

H: 75° L: 60°
Patchy light drizzle
Patchy light drizzle
69°
|
Feels like 69°
Precipitation
80%
Humidity
69%
Wind
3 mph
UV Index
1.9
Water Conditions:
🏊Cool but swimmable🌧️Rain expected
12 AM
Patchy rain nearby
62°
3 AM
Overcast
61°
6 AM
Overcast
62°
9 AM
Overcast
62°
12 PM
Light drizzle
62°
3 PM
Light drizzle
65°
6 PM
Patchy rain nearby
75°
9 PM
Patchy rain nearby
64°

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Frequently asked questions

Where is Big Four Creek?
Big Four Creek is a river in Washington.
What is the water temperature at Big Four Creek?
As of August 23, 2026, the water temperature at Big Four Creek in Washington is 55°F (13°C), measured by USGS gauge 12137800, 1.2 miles away.
Can you swim at Big Four Creek?
Cold water — serious cold-shock risk today: water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion. Checked August 23, 2026.

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Location & Contact

Washington

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