Built for the backcountry
BoltWX provides on-demand forecasts with the details that hikers, mountaineers and backcountry skiers need to stay safe in the mountains.
The most reliable forecasts
BoltWX uses high-resolution forecasts from the US National Centers for Environmental Prediction and the Meteorological Service of Canada to provide detailed and up-to-date weather for your specific location.
Mountain focused
BoltWX forecasts are customized for backcountry and alpine pursuits, and include the crucial details that are unavailable in the standard weather forecasts offered by most satellite communicator services.
Easy to use
Your satellite device does all the work. Simply message the BoltWX service and receive a detailed forecast for your location in moments. Tested with Garmin InReach®, ZOLEO™, Bivy Stick™, and Apple iOS® 18 satellite messaging.

How it works
Make good decisions in the backcountry with accurate and up-to-date weather forecasts designed for hikers, skiers and mountaineers.
Subscribe
Register to receive your BoltWX access code.
Request Forecast
Message the BoltWX service from your satellite device and include your access code. Your device will automatically include your GPS coordinates.
Receive Forecast
BoltWX will reply with a detailed weather forecast for your GPS location.
Plan your trip
Plan your hike, summit or ski with up-to-date knowledge of the weather that impacts you.
Advanced functionality
Advanced features for guides and expert backcountry users who want every detail.
Choose your timeframe
Get a forecast that is relevant to the length of your trip. Easily request 1, 2 or 3 day forecasts from your device while you're in the backcountry. Click here to learn how.
Specify weather models
Got a favourite weather model that you trust? Request a specific model simply by including its name in the message. Click here to learn how.
Wildfire and avalanche updates
Stay on top of changes in the snowpack or wildfire conditions with access to avalanche forecasts and wildfire information across the USA and Canada. Click here to learn how.