- Short-term forecast, emphasizing weather parameters most important to visitors in the Jenny Lake / String Lake / Leigh Lake region
- Animations of expected weather radar updated daily.
- Other weather parameters (snow, wind, etc.) added when they may be significant.
- For orientation, animation maps show Wyoming and a small portion of the surrounding states.
- Temperature graphic is for the Airport. Subtract a couple of degrees for String Lake and 3-5 degrees if a visitor asks about Colter Bay.
- The wind gusts forecasts are usually (in the summer) a reasonable forecast for average sustained wind speeds at 9,000 – 11,000 feet for backcountry hikers.
- For those with access to Grand Teton Park Radios: Channel 16 is NOAA Weather Radio
- Click here for access to the NOAA smoke-forecasting site.
- Click here for an animation of smoke concentration over the northwest U.S. for the next two days.
A Hotter (and smokier) weekend
Friday: Mostly sunny and very warm. Highs in the upper 80’s.
Saturday: Mostly sunny and hot. Highs near 90 deg.
Smoke forecast: Wildfire smoke will moderate in intensity over Grand Teton on Friday and light to moderate on Saturday. The smoke is from a combination of fires in the U.S. Northwest and British Columbia.
Extended Outlook:
Sunday: Mostly sunny and very warm. Highs in the mid to upper 80’s.
Monday: Sunny in the morning, then clouding up with scattered showers and thunderstorms. Highs in the mid-80’s.
Tuesday: Variable cloudiness with a chance for scattered showers and thunderstorms. Highs around 80 deg.
Wednesday: Variable cloudiness with scattered showers, mostly in the morning. Highs in the mid 70’s.
Thursday-Friday: Mostly sunny with some morning fog. Highs in the mid 70’s.
The 6-10 day outlook is showing below normal temperatures and above average rainfall for northwest Wyoming for the start of the second half of August.
Smoke concentrations over the U.S. Northwest Friday afternoon 13 August