Chance Showers And Thunderstorms
3 to 16 mphWY travel planner
Grand Teton National Park weather and trip conditions
Sharp peaks, lake roads, wildlife flats, and cold mornings even after warm afternoons.
Weather cautionThe forecast includes conditions that can affect roads, exposed trails, or visibility.
Live forecast
Next forecast periods
Chance Showers And Thunderstorms
2 to 13 mphMostly Sunny then Slight Chance Showers And Thunderstorms
2 to 12 mphMostly Clear
2 to 12 mphCurrent alerts
Weather alert signal
No active NWS alert was found for this park point during the last update.
Packing signal
What to bring today
- Water, snacks, offline maps, sun protection, and a small first-aid kit.
- Pack a warm layer; mornings, overlooks, and windy stops can feel much colder.
- Add a rain shell and avoid exposed ridges or slot canyons during storm windows.
Seasonal timing
Best time to visit
June through September suits most visits; late September can bring golden cottonwoods and clear air.
Weather source station area: Kelly.
Do not miss
Popular stops
- Jenny Lake
- Oxbow Bend
- Signal Mountain
- Mormon Row
Weather and alerts come from the National Weather Service API. This page is automatically rebuilt every six hours and should be checked against official park notices before travel.