The Western US Daily Summit
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Slight Heat Relief & Increased Chances for T-Storms

Following record-breaking heat for much of the Western US, we have some relief from the heat in-store through early next week, along with in…
Posted 1 day ago

Getting Started Guide

OpenSummit is your trusted source for the most accurate mountain weather forecast, high-resolution map overlays, and trail conditions information.

Lightning Safety Tips

When there is lightning, the only safe place to be is inside a car or a substantial, enclosed structure.

How To Read Clouds Above Treeline

When you're above treeline in the summer, using your eyes is a key way to stay safe.

Temperature Inversion

Temperature inversions are observed when the air temperature increases with height.

OpenSummit Commits 1% of All-Access Sales to Carbon Removal Technologies

In 2019, we learned how to calculate our carbon footprint and offset this impact.

How To Read Radar

Radar shows us if there is precipitation falling through the sky and helps you to answer the question, "Is it currently or about to rain or snow?".

North American Monsoon

What is the North American Monsoon?

How Does Elevation Impact Temperature?

If there's no rain or snow falling from the sky and you're not in a cloud, the temperature decreases by about 5.4°F for every 1,000 feet…

Best Outdoor Apps

Here is our list of the best apps to help you plan your next outdoor adventure.  Hiking Project Hiking Project offers full GPS route in…

OpenSnow & OpenSummit: One Login, One Subscription

We're on a quest to make things simpler and to provide even more value to our $29.99/year All-Access subscription.

The Story Behind OpenSummit

Our story is fairly simple.