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Forecast issued 25 Sep, 5:21pm ET

A small boat crossing Green River Lakes under Squaretop Mountain in pink alpenglow, Bridger-Teton National Forest.

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National Forest·Wyoming·3,394,923 acres

Bridger-Teton National Forest

Forecast issued 25 Sep, 5:21pm ET

Photograph: More Than Just Parks

Peak color17 SepAim for 16 to 19 Sep
In the forest today, Sep 25Just past peak
SepOctNov

Higher ground turns first, so the slopes above the road lead the valley by a few days.

Weather Hard frost Tuesday night. Peak may come early and go fast.

No new reports from the ground here this week.

Summit County, peak Sep 26Natrona County, peak Sep 24Park County, peak Sep 22Beaverhead County, peak Sep 23Custer County, peak Sep 24Jefferson County, peak Sep 29Lemhi County, peak Sep 26Cassia County, peak Sep 26Blaine County, peak Sep 29Oneida County, peak Oct 3Bonneville County, peak Sep 28Morgan County, peak Oct 4Lincoln County, peak Sep 27Sublette County, peak Sep 21Cache County, peak Oct 1Gallatin County, peak Sep 23Davis County, peak Oct 4Fremont County, peak Sep 29Johnson County, peak Sep 24Sweetwater County, peak Sep 25Madison County, peak Sep 23Teton County, peak Sep 26Sheridan County, peak Oct 4Box Elder County, peak Oct 4Minidoka County, peak Oct 17Bannock County, peak Oct 3Teton County, peak Sep 29Clark County, peak Sep 25Power County, peak Oct 1Butte County, peak Sep 26Stillwater County, peak Oct 1Bear Lake County, peak Sep 28Tooele County, peak Oct 1Franklin County, peak Oct 4Uinta County, peak Sep 24Washakie County, peak Sep 27Fremont County, peak Sep 22Rosebud County, peak Oct 17Sweet Grass County, peak Oct 2Madison County, peak Sep 30Big Horn County, peak Sep 22Bingham County, peak Sep 28Park County, peak Sep 30Rich County, peak Oct 1Hot Springs County, peak Sep 24Big Horn County, peak Oct 13Caribou County, peak Sep 28Carbon County, peak Sep 30Carbon County, peak Sep 25Weber County, peak Oct 5I-80I-86I-84I-15PinedaleHobackJacksonIdaho FallsCondaRexburgLanderRivertonGrand Tetonpeak 27 SepJedediah Smith Wildernesspeak 25 SepShoshonepeak 21 SepCaribou-Targheepeak 2 OctYellowstonepeak 25 SepBridger-Teton
Still greenStartingNearly peakPeakPast peakNo fall canopy we forecastInside the line, each band of elevation is painted on its own date.
Around Bridger-Teton National Forest Sublette County holds most of the forest and is just past peak today. Teton County, to the northwest, is 5 days behind. Lincoln County, to the southwest, is 6 days behind.
By elevation The forest runs from about 6,843 to 10,133 feet. That’s 26 days of season between the top and the bottom: the high stands peak around Sep 3, the low ground holds until about Sep 29, and the color comes downhill in between. The date at the top of this page is the 8,000 to 9,000 foot band.
  1. 10,000–11,000 ftLeaves downpeak Sep 36%
  2. 9,000–10,000 ftFadingpeak Sep 1121%
  3. 8,000–9,000 ftJust past peakpeak Sep 1733%
  4. 7,000–8,000 ftPeak colorpeak Sep 2332%
  5. 6,000–7,000 ftNearly peakpeak Sep 297%

Height off 3DEP inside the forest’s own boundary; each band carries the date our model gives that elevation, corrections and all. The percentage is how much of the forest stands in it.

That’s 1 day later than our model alone would say. This September has been running warm, which shifts peak color.

Plan this trip

If you can only come on certain days

Set the days you can be here. Everything under them answers for those days, not for peak.

Wednesday 16 September to Thursday 17 September

You’ll find it just past peak up high, nearly peak lower down.

Up at 9,000 feet the stands peak around Sep 11; down at 8,000 feet they hold on until about Sep 23. Pick your elevation for the day you come.

  • 9,000–10,000 ftJust past peakpeak Sep 11
  • 8,000–9,000 ftPeak colorpeak Sep 17
  • 7,000–8,000 ftNearly peakpeak Sep 23
Where to drive
Teton Park Road, about 42 miles · Teton Scenic Byway (ID 31, 32 and 33), about 58 miles · Chief Joseph Scenic Byway (WY 296), about 115 miles
What turns
quaking aspen, narrowleaf cottonwood, willow, water birch, thinleaf alder

What turns, and when

Also named across Wyoming, outside what the canopy read measures here: Rocky Mountain Maple.

The Tetons rising above the golden cottonwoods of the Snake River flats is one of the most famous fall landscapes in the American West, and the aspen groves at elevation add hillsides of gold.

This forecast is built from the species that stand here, their elevation and this September’s weather, and corrected in season by cameras, foresters and our own crew. Out here we score it against NASA's satellite record of when the canopy shuts down, read inside each unit’s own boundary: two dates in three land within 12 days of it. How this map is made

All of Wyoming