This forecast displays data for both the Jackson Hole Valley & the Teton Mountains. The NWS National Blended Model (NBM) is utilized as the base, MountainWeather™ then adds value to this by infusing over 30-years of local forecasting experience.
Jackson Hole Weather News
Some Jackson Hole weather history, records, and interesting weather facts…
- The Summer Solstice this year will occur early on Sunday morning, June 21st, 2026, at 2:24 am MDT.
- On Sunday the official sunrise is at 5:42 am in Jackson and sunset is at 9:07 pm, providing 15 hours & 25 minutes of daylight.
- Add to that 36 minutes of twilight in the morning and 36 minutes of twilight in the evening, providing us with the longest day of the year in the Northern Hemisphere.
Click for the latest MountainWeather Blog: Summer 2026 Outlook >>
National Digital Forecast Database
Jackson Hole and Teton Mountain Range
Forecast Powered by MountainWeather™ & NWS
Issued on:
Thursday, June 18, 2026
Sunny
Mountains @10,000ft
TEMP
WIND W
Today:
Tonight:
Mostly sunny, with a high near 86. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Mostly cloudy, with a low around 49. West southwest wind 5 to 10 mph becoming light and variable in the evening.
A chance of showers, then showers and possibly a thunderstorm after noon. High near 77. Light and variable wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. West wind 5 to 8 mph becoming calm in the evening.
A 10 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Partly cloudy, with a low around 41.
Sunny, with a high near 80.
Mostly clear, with a low around 42.
5-Day Forecast Graphs
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Click to read the Riverton NWS Forecast Discussion >>
Click to read the Pocatello NWS Forecast Discussion >>
JH Almanac Info
Today
Sunset: 9:04pm
Sunset: 9:05pm
Sunset: 9:05pm
Sunset: 9:05pm
Sunset: 9:05pm
Waxing Crescent
Current
First Qtr.
Jun 22nd
Full Moon
Jun 28th
Last Qtr.
Jul 6th
New Moon
Jul 14thThis Week’s...
Average Hi: 71°F
on June 10, 1979
on June 11, 1918
NWS Forecasts & Reports
Jackson Hole WAM
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NWS Forecast Links
JH Tram @10,000-ft.
Tetons @11,600-ft.
Discussions
Local JH Reports
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