Your personal weather forecaster for the mountains

OpenSummit App Mockup

Weather Forecast

Hourly lightning, precipitation, summit temperature, and summit wind forecasts for every Colorado 14,000-foot peak.


Create a wishlist of future objectives or find nearby mountains on your Basecamp.

Find Your Mountain

Search for the latest forecast across all 53 Colorado 14ers via the Explore page.

See How it Looks

View recent Instagram photos taken near every 14er.

Stay in the Know

Read our favorite articles about enjoying and being safe in the Colorado wilderness.

We Love Feedback

Please help us improve the app by sending feedback to [email protected]

Don't get stuck in the rain, go ALL-ACCESS

Detailed data for the next two days is free and you can view the 3-5 day forecast by upgrading to our All-Access Pass. This valuable weather information will help you make well-informed, timely decisions when exploring Colorado’s highest peaks. It’s good for 365 days and it provides free access to future upgrades.
Become an early supporter for only $19.99/year via in-app purchase

Download for FREE!

Download from the App Store
Android coming at a later date.