Signal Mountain Marina
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Around here
Around Signal Mountain Marina
- Colter Bay Tent VillageCampground · Good for boating4.3 mi
- Colter Bay RV ParkRV park · ★ 4.44.6 mi (opens in a new tab)
- Jenny Lake CampgroundRV park · ★ 4.78.2 mi (opens in a new tab)
- Lizard Creek CampgroundCampground · Good for boating11.7 mi
- Gros Ventre CampgroundCampground · 321 sites15.7 mi
- Headwaters Campground & RV ParkRV park · ★ 4.318.3 mi (opens in a new tab)
- Colter Bay Visitor CenterVisitor center4.4 mi (opens in a new tab)
- Grand Teton National ParkRecreation area5 mi (opens in a new tab)
- Jenny Lake Visitor CenterVisitor center8.4 mi (opens in a new tab)
- Craig Thomas Discovery & Visitor CenterVisitor center14.2 mi (opens in a new tab)
- Grassy LakeRecreation area22.3 mi (opens in a new tab)
Data Source: Recreation.gov · Public land: USGS PAD-US
Typical flow by month
1904 to 2026
The water at Signal Mountain Marina typically runs highest in June, at a median 3,225 cfs, and lowest in November, at 281 cfs. The highest flow on record for any single day is 14,700 cfs, in 1918.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 314 | 32 to 481 |
| February | 324 | 28 to 504 |
| March | 343 | 33 to 503 |
| April | 369 | 62 to 644 |
| May | 500 | 82 to 2,640 |
| June | 3,225 | 1,620 to 4,785 |
| July | 3,110 | 2,330 to 4,830 |
| August | 2,830 | 2,020 to 4,300 |
| September | 1,955 | 1,075 to 2,720 |
| October | 288 | 32 to 492 |
| November | 281 | 30 to 440 |
| December | 291 | 29 to 453 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 122 years of record. Statistics published by the US Geological Survey for Snake River near Moran, WY (site 13011000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Today · Fri
87Go/ 100
FogHigh 46°F, low 28°FRain 1%Wind 6 kt, gusts 10
Streamflow
285 cfs
Normal (51st)
Water level
2.32 ft
Water
47°F
Air quality
28 Good
Grand Teton NP - Science School monitor, 19 km
Forecast from Open-Meteo global models (NOAA & ECMWF). Air quality: National Park Service via EPA AirNow. Preliminary data, not verified. See full conditions →
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