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The Western US Daily Summit
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Active Monsoon Continues, Elevated Flash Flooding & Lightning Risk

Daily thunderstorms will continue through the upcoming weekend thanks to the nonstop flow of monsoon moisture into the Western US.
Posted 1 day ago

Getting Started Guide

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

Global Air Quality Forecast Map

You can now plan activities around air quality with our new global map layer that provides forecasts for the next 5 days.

Weather Coverage For Every Season

Did you know that All-Access is good for 365 days?

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.

Proprietary Weather Forecast Data

Our goal is to create the most accurate weather forecast, period.  On July 1, 2021, we began updating the forecasts on OpenSummit with…

Estimated Trail Conditions

Before heading out on your next hike or mountain bike ride, check the estimated trail conditions in the OpenSummit app.

Current & Forecast 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?".

Wildfire Smoke Forecast Maps

Don't get caught in the smoke. Our wildfire smoke maps highlight the approximate locations of current fires and forecast downstream smo…

Air Quality Map

In addition to the wildfire smoke forecast maps, you can now view the real-time air quality index on OpenSummit to help you plan your next a…

Real-Time Lightning Map

Don't get zapped.

Offline Maps

Headed out of service?