Snoflo: Snowpack & Streamflow

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