RV Weather

• 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 warm and dry start to October

Thursday: Mostly sunny after a hard freeze Thursday morning. Afternoon wind gusts 10-15 mph.Highs in the low 60’s.

Smoke forecast: The Park will see no more than light smoke from fires on Thursday and Friday. Much of the time the smoke will look like only a light haze.

Extended Outlook:

Friday – Wednesday: Mostly sunny, dry and seasonably warm. Highs 65-70 deg.

Outlook through mid October: Above average temperatures persist well into Autumn. Chance of some measurable rain the second week of October.

This will be my final forecast for the 2021 season. I hope you found them useful!