Real-time snowpack, streamflow, surf & weather—mapped for the rivers, peaks & trails you love. Set custom alerts and know the moment conditions are right.
The map for outdoor adventurers who follow the water and the snow.
Snoflo tracks real-time snowpack, streamflow, surf, and weather across 800+ NRCS SNOTEL stations and 10,000+ USGS stream gauges — all on one beautiful, fast map. Then it pairs that live data with the places you actually go: ski areas, river runs, fishing access, campgrounds, boat ramps, hiking and biking trails, and points of interest.
KNOW BEFORE YOU GO
- Live snowpack, snow-water-equivalent, and 24/48/72-hour snowfall
- Real-time streamflow (cfs) and gauge height from USGS
- Surf and buoy conditions on the coasts
- Hourly and 15-day weather forecasts for any spot
- NWS watches and warnings, drought, and wildfire context
EVERYTHING IN ONE APP
- Reviews — rate any spot, tag the conditions, add photos; visits are verified by location
- Record trips — GPS route, distance, elevation and pace, with conditions logged along the way
- Hiking & biking trails — surface, difficulty, length and elevation profile
- Browse by Activity — open the map to what's around you for your sport
- Favorites — save the spots you love and see their live conditions at a glance
- Push alerts — get notified the moment a spot hits the conditions you set (fresh snow, runnable flow, clean surf)
BUILT ON OFFICIAL DATA
Snoflo's feeds come straight from USGS, NOAA / National Weather Service, USDA NRCS, and NASA — refreshed continuously.
Free to use. Optional Snoflo Premium (auto-renewable subscription) unlocks the full 15-day forecast, historical data, and advanced map layers. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends; manage or cancel in your App Store account settings.
Terms: https://snoflo.org/terms
Ratings & Reviews
5.0
out of 5
4 Ratings
What's new in 1.9
- Week in Review — replay the last 7 days of rain, snow, snowpack, and river flows animated across the map.
- More reliable condition alerts and push notifications.
- Cleaner home screen and faster, smoother maps.
- Bug fixes and performance improvements.
Questions or ideas? Email info@snoflo.org — we read everything.
Version 1.9
The developer, Snoflo.org 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 Linked to You
The following data may be collected and linked to your identity:
Purchases
Location
Contact Info
User Content
Identifiers
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
Snoflo.org LLC
Size
38.6 MB
Category
Weather
Compatibility
Requires iOS 16.6 or later.
iPhone Requires iOS 16.6 or later.
iPad Requires iPadOS 16.6 or later.
Location
This app may use your location even when it isn’t open, which can decrease device battery life.