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Satellite view of Greenhorn Creek

Greenhorn 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 11 ft³/s over 15 years).
Cold waterCool today

natural watercourse in Blaine County, Idaho, 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 13138000, as of Aug 23, 3:15 AM gauge-local time
  • Flow is within the normal range (25th–75th percentile) for Aug 23 (median 11 ft³/s over 15 years). USGS daily streamflow statistics, as of Aug 23, 3:15 AM gauge-local time
Water temp
55°F
13°C
Streamflow
8 ft³/s
discharge
Gage height
4.86 ft
water level

Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 23 (median 11 ft³/s over 15 years).

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

Live, provisional data from USGS gauge EAST FORK BIG WOOD RIVER AT GIMLET ID (1.4 mi away), as of Aug 23, 3:15 AM gauge-local time.

Weather at Greenhorn Creek

H: 73° L: 52°
Overcast
Overcast
54°
|
Feels like 51°
Precipitation
17%
Humidity
73%
Wind
3 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers
12 AM
Patchy rain nearby
55°
3 AM
Overcast
54°
6 AM
Clear
53°
9 AM
Sunny
61°
12 PM
Sunny
70°
3 PM
Sunny
73°
6 PM
Sunny
70°
9 PM
Clear
56°

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Frequently asked questions

Where is Greenhorn Creek?
Greenhorn Creek is a river in Idaho.
What is the water temperature at Greenhorn Creek?
As of August 23, 2026, the water temperature at Greenhorn Creek in Idaho is 55°F (13°C), measured by USGS gauge 13138000, 1.4 miles away.
Can you swim at Greenhorn 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

Idaho

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