OpenSummit 4+

OpenSummit is now OpenSnow

Cloudnine Weather LLC

    • 4.8 • 432 Ratings
    • Free
    • Offers In-App Purchases



OpenSummit is being retired and merged into OpenSnow. Get all of the best features on OpenSnow. Your essential weather tools, all in one app. Download OpenSnow to get started.

“Weather forecasting for the mountains takes extra focus, analysis, and precision, which is exactly what OpenSnow provides.” – Cody Townsend, Pro Athlete

View Forecasts Anywhere on Earth

Our weather forecasts are available for any location on Earth, instantly. This means that you can view our weather forecasts for your favorite ski resort, backcountry ski location, camping destination, London, Denali, and yes, even for your home neighborhood or current location. Save up to five custom locations to view on your "Favorites" screen for quick and convenient access to the latest 10-day weather forecast and estimated snow report.

Read Daily Analysis From Local Forecasters

Now you have a personal weather forecaster guiding you to the best conditions. Our local experts write a new “Daily Snow” forecast each day for regions around the US and Canada. Instead of spending hours sifting through weather and snow data, you can now get the inside scoop in just a few minutes.

Track Storms With High-Resolution Maps

We make it easy to see if there is snow heading toward your favorite mountains, along with how much snow fell over the past 24 hours, season-to-date, and snow depth. You can also view 2-day forecast animations for wildfire smoke, wind gusts, cloud cover, and temperature, live and forecast radar, as well as the latest avalanche forecast and active fire perimeter map for the past 7 days.

Compare Essential Powder Chasing Tools

Finding the deepest snow at the right time requires data, skill, and a bit of luck. We can’t help with getting lucky, but we can provide everything else, including outlooks from multiple snow forecast models, hourly details, mountain cams, and the latest snow reports.

OpenSnow All-Access

• Forecasts Anywhere on Earth
• 10-Day Snow Forecasts
• Expert Daily Snow Analysis
• Estimated 24-Hour Snow Reports
• Estimated Historical Weather
• Custom Snow Alerts
• Live & Forecast Radar
• Air Quality Forecast Map
• Wildfire Smoke Forecast Maps
• Real-Time Lightning Map
• Offline Trail & Satellite Maps
• Snowpack Graphs & Analysis
• Widgets

— Free Trial —

New subscribers that opt-in to the free trial receive the full OpenSnow All-Access experience, with no credit card required. If you choose not to purchase All-Access after the free trial is over, you will be automatically downgraded to a free account and not charged. You will still be able to receive email storm updates and view limited snow report and weather forecast data.

— All-Access, In-App Purchase —

Payment for All-Access entitles you to All-Access usage and its features. All-Access Single is an auto-renewable subscription, which will renew yearly at $29.99. All-Access Group is an auto-renewable subscription, which will renew yearly at $39.99. Payment will be charged to the user's iTunes Account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. The account will be charged for renewal within 24-hours prior to the end of the current period and identify the cost of the renewal. If the auto-renewal fails due to a payment issue, you will still be able to access the paid content for 16 days while Apple attempts to collect payment. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.

Full terms and conditions can be found here: |

Sales through Apple iTunes will be governed by Apple’s refund policy. We value all of our customers and encourage you to provide feedback on your experience. Please get in touch with us by sending an email to

What’s New

Version 3.0.2

OpenSummit Being Retired, Merged Into OpenSnow

What's changing?

All OpenSummit features will be merged into OpenSnow. The OpenSummit app will continue to function through at least the end of 2023, but no new features or improvements will be added. Moving forward, all of the best features will be available on one app and website, OpenSnow.

Why are we sunsetting OpenSummit?

There are two reasons that we are stopping work and ultimately shutting down OpenSummit.

First, having two apps (OpenSnow and OpenSummit) that offered similar and sometimes identical features became confusing for our subscribers.

Second, as a small team, we want to keep our product and our business focused on doing a few things very well, and maintaining two brands and two apps was causing duplicative work.

This means that you can get all the same features and views from OpenSummit without needing to open a different app, or, in other words, all the weather data you need for winter AND summer adventures will be in one app, OpenSnow, and not spread across two apps.

What should you do now?

Download the OpenSnow app and log in with the same email address and password that you currently use for OpenSummit. Your favorite locations from OpenSummit will also still be available to view under the "Summer" list in OpenSnow. Your current All-Access subscription will also continue to work, with no changes needed from your end.

Thank you so much for your continued support. We can't wait to show you what’s next on OpenSnow to help you plan your adventure, no matter the season.

-The OpenSnow Team

Ratings and Reviews

4.8 out of 5
432 Ratings

432 Ratings

IsaswedeE ,

All you need for outdoors weather and environment

One this app--works great, they constantly add and improve on things you didn't even know could be improved. I find myself using it daily which is to me a small group of apps. It's useful year round too. Last summer during fires in the west, I was on an extended road trip in a camper from Lake Tahoe through the PNW and found the app a life saver for planning the next leg and where to stay. We were able to avoid most of the smoke fir the whole time thanks to being able to see wind and smoke snd AQI layers. It made a trip that could have been miserable an absolute joy. Absolutely love this -- and Open Snow too :-)

Developer Response ,

Thank you so much for your detailed review and support! Please send an email to if we can ever help with anything. -SAM

dmep910 ,

Wow wow wow

Hands down the best weather/smoke/air quality/everything outdoors related app I have on my phone. I open it 5-10 times a day to see how smoky it’s going to be, what our air quality is, if it’s going to be raining anytime soon, what the snow totals will be in our area, when the next storm is coming, and the list goes on. Plus they are constantly updating the app with even better features. If you’re going outside for any reason, even to drive to work…download it. Pay the $30 annual subscription. Completely worth it in every way, you won’t regret it.

Developer Response ,

Thank you so much for your glowing review and continued support! -SAM

angry weather enthusiast ,

Do not get this app!

It’s rare that I am so angry that I feel the need to write a negative review but I have to comment. This is a standard weather app that gives basic information provided by the NOAA. The free version gives very little of this information and only for some trailheads and peaks. I purchased the all access subscription and found it to have the same information you can get for free with a slightly prettier presentation. DEFINITELY not worth $20! I went back and reread the glowing over the top reviews. They read like absurd marketing language. I am amused at the thought of the developers writing reviews to themselves and then answering them. This is not my beef. I tried to find the toggle to stop auto renewal that they claim exists but doesn’t seem to. I tried to downgrade to the free version but the button on the website to do so is nonfunctional both on my phone and desktop. I have emailed the company with no response.

Developer Response ,

Hello and thank you for your review. We're so sorry to hear that you aren't finding OpenSummit useful. With the free version of the app, you receive 2-day hourly forecasts for over 1,500 mountain locations in the US. With the All-Access upgrade, you receive 5-day hourly forecasts, estimated trail conditions, current radar, 18-hour forecast radar, 18-hour forecast wildfire smoke maps, 18-hour forecast temperature maps, a current snow depth map, and unlimited access to our winter service, OpenSnow with the same login information. Compared to other standard weather apps, OpenSummit tells you if a trail is dry or wet based on recent weather trends, provides at-a-glance risk assessment about rain, lightning, and wind, and allows you to track smoke from wildfires, and forecast this smoke for the next 18 hours. These are features that we believe can't be found on any other weather app. We read and respond to every review and email so please send an email to and we'll solve any issues that you're having right away. Thank you so much! -SAM

App Privacy

The developer, Cloudnine Weather LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Contact Info
  • User Content
  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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