Climate intelligence for the great outdoors
Real-time snowpack, streamflow, weather, and flood data from 800+ NRCS SNOTEL stations and 10,000+ USGS gauges — on one beautiful, fast map. Trusted by skiers, paddlers, anglers, ranchers, and water managers across North America.
Conditions across America
AI-summarized briefings from today's hydrology data, satellite observations, and National Weather Service advisories.
Today's highest US streamflows
The 10 biggest rivers running highest right now, ranked by current discharge in cubic feet per second.
| # | River & Gauge | Current | Conditions |
|---|---|---|---|
| 1 | Ohio River At Old Shawneetown, Il-Ky Kentucky | 259,000 cfs | Mostly Sunny then Slight Chance T-storms |
| 2 | St. Johns River At Jacksonville, Fla. Florida | 152,000 cfs | Sunny |
| 3 | White River At Batesville, Ar Arkansas | 43,800 cfs | Mostly Sunny then Slight Chance T-storms |
| 4 | Mississippi River Below L&D #2 At Hastings, Mn Minnesota | 27,700 cfs | Partly Sunny |
| 5 | Savannah River Near Port Wentworth, Ga Georgia | 25,700 cfs | Sunny |
| 6 | Mississippi River At St. Paul, Mn Minnesota | 23,900 cfs | Partly Sunny |
| 7 | White River At Calico Rock, Ar Arkansas | 23,300 cfs | Slight Chance T-storms |
| 8 | Snake River At Hells Canyon Dam Id-Or State Line Oregon | 19,200 cfs | Scattered Snow Showers |
| 9 | White River Near Norfork, Ar Arkansas | 18,200 cfs | Slight Chance T-storms |
| 10 | Minnesota River Near Jordan, Mn Minnesota | 16,900 cfs | Partly Sunny then Slight Chance Showers |
Rivers rising fastest right now
Day‑over‑day jumps in streamflow can signal flash flood risk, snowmelt acceleration, or upstream releases. Tap any gauge for the full hydrograph.
Where it's snowing right now
New snow reports from SNOTEL and NOHRSC stations across the western U.S. and Alaska.
Empowering explorers with the ultimate climate intelligence
Snoflo's blend of cutting-edge technology, community engagement, and user-centric features makes it an indispensable tool for anyone who needs detailed climate data and has a passion for the outdoors.
Adventure smarter, not harder
Real-time conditions for skiers, paddlers, anglers, and campers. Find the best spots near you and check the weather before you go.
Essential tools for every adventure
An interactive 3D map, localized weather forecasts, the latest climate news, and a detailed fish species guide.
Explore flow conditions by state
Streamflow, snowpack, and weather data organized for every U.S. state and territory.
Cities across the country
Localized 7-day forecasts and current conditions for major U.S. metros — plus every city Snoflo monitors.
Ready to explore?
Open the map and dive in — or grab Snoflo on iPhone for conditions, forecasts, and alerts in your pocket.