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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 Updated continuously
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Lower Boulder Creek · 87cfs
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Today's briefing

What's happening across the country today

June
25
2026
Daily report
**A Nation of Water Extremes: From Parched Reservoirs to Swollen Rivers**

The American heartland faces a deepening water crisis as major reservoirs sink to critically low levels while rivers surge with unprecedented flows. Kansas reservoirs tell the starkest story: Tuttle Creek Lake holds just 516,600 acre-feet against a 1.08 million average, Milford Lake sits at 444,300 versus its 1.14 million average, and Perry Lake has dropped to 259,600 from 893,000—all hovering near half capacity. This pattern extends across the Southern Plains, with Oklahoma's Lake Hudson at barely half its normal 620,000 acre-feet and Texas reservoirs including Eagle Mountain (175,000 vs. 648,000), Bridgeport (318,800 vs. 827,000), and Choke Canyon (57,370 vs. 201,000) in severe deficit. Conversely, Texas has seen dramatic flooding with Toledo Bend Reservoir swollen to 4.26 million acre-feet—25 times its average—while Lake Eucha in Oklahoma exploded from near-empty to 68,690 acre-feet. The dichotomy extends to California's Lake Havasu, running twelve times above normal at 588,400 acre-feet.

Meanwhile, major river systems are experiencing extraordinary high flows that threaten communities and disrupt commerce. The Ohio River at Old Shawneetown crests at 259,000 cubic feet per second, while Florida's St. Johns River pushes 152,000 cfs through Jacksonville. Arkansas's White River system shows sustained flooding at multiple gauges, and the Mississippi River runs high from Minnesota southward. These conditions align with recent flash flooding that turned Green Bay streets into rivers and caused Bear Creek near Evergreen, Colorado, to wash out bridges. As wildfires in Utah blanket Southwest Colorado with smoke and the McCauley Fire forces evacuations in New Mexico's Sandoval County, the Southwest grapples with dual extremes—severe drought conditions straining water supplies while isolated storms trigger dangerous flash floods across a 700-mile swath of the Central U.S. Outdoor recreation faces widespread disruption, from depleted fishing lakes across Kansas and Oklahoma to dangerous river conditions throughout the Mississippi and Ohio valleys.
What you see on the map

Every layer that matters,
updated as the day unfolds.

Each layer is built around a real question — what the snow is doing, what the rivers are running at, what the weather's about to throw at you, where you can head this weekend.

Snow

What the snow is doing

800+ SNOTEL stations with depth and SWE history, NOHRSC analysis painted across every western range, and 24/48/72‑hour snowfall forecasts on top.

Today · Snowpack
# Arctic Alaska Braces for Significant Snowfall as Continental U.S. Sees Modest Activity Snow enthusiasts looking for the most substantial accumulations should turn their attention northward to Alaska's Brooks Range, where the most impressive ...
SNOTEL Depth SWE Snowfall 24/48/72h Avalanche
Explore the snow layer →
Water

What the rivers are running at

10,000+ USGS streamgauges with live cfs, reservoir storage, watershed boundaries, FEMA flood zones, and a 15‑day flow forecast at every gauge.

Today · Streamflow
# Major Rivers Surge Across Central and Southern U.S. as Watersheds Record Extreme Flows The nation's river systems are experiencing dramatic variations in streamflow, with the Ohio River leading the surge at 259,000 cubic ...
USGS Gauges Reservoirs Watersheds FEMA Flood Zones
Explore the water layer →
Weather

The weather that drives it all

Air temperature, last‑24h precipitation, NWS warnings (snow / fire / flood), the drought monitor, and smoke advection — everything that turns conditions into action.

Today · Flood Watch
# CATASTROPHIC FLOODING CRISIS UNFOLDS ACROSS MULTIPLE U.S. REGIONS AS WATERWAYS SURGE TO DANGEROUS LEVELS A severe flooding emergency is gripping communities across the South, Midwest, and Great Plains as dozens of rivers and ...
Air Temp Rain (24h + Forecast) NWS Warnings Drought Monitor
Explore the weather layer →
Recreation

Where you can head out

Ski areas, paddle runs, fishing access, campgrounds, boat ramps, points of interest. Tap any pin for the full report linked to nearest gauge and weather.

Ski Areas Paddle Runs Fishing Camping Boat Ramps
Explore the recreation layer →
Everything in the app

From the first check
to the trip recap.

Record, review, get alerted, and save — every feature runs on the same live climate & hydrology data, so the spot you track always carries the conditions that matter.

Record trips

Record every outing with live tracking.

Track your route, distance, and elevation by GPS — then relive it with the snow, flow, and weather captured along the way. Keep it private or share it.

  • Route, distance, elevation & moving time
  • Conditions logged at the start of every trip
  • Turn any recorded trip into a verified review in one tap
Record a Trip
Moraine Lake via South Sister
6.2
miles
1,840
ft gain
2:54
moving
Conditions at start
41°F Clear 120 cfs
Community reviews

Real reports from people just there.

Rate a spot, tag the conditions, add photos. Every review is stamped with the live weather and flow from the visit — and verified by location.

  • Condition tags tuned to each activity
  • Location-verified visit badge
  • Photos & a star rating that follow the whole trail
Community Reviews
Breckenridge · 4.8 ★ (126)
JD
Jordan D.
Verified visit · Mar 4
★★★★★
Fresh powder 28°F
MR
Maya R.
Verified visit · Mar 2
★★★★☆
Groomed Crowded
Push alerts

Get pinged when conditions line up.

Set a threshold on any spot — optimal flow, fresh snowfall, a temperature swing — and Snoflo pushes you the instant the gauges cross it. Plus live NWS warnings for your areas.

  • Streamflow & snowfall thresholds
  • National Weather Service watches & warnings
  • Tuned per spot, delivered in real time
Alerts
3 new this morning
Optimal flow reached
Arkansas R. · Browns Canyon · 1,250 cfs
6" fresh overnight
Wolf Creek · base now 58"
Red Flag Warning
NWS Grand Junction · until 8 PM
Favorites

Keep every spot you love in one place.

Save rivers, ski areas, trails, and campgrounds to a single list that always shows current conditions — so your next trip is one tap away.

  • One list across every activity
  • Live conditions on every saved spot
  • Syncs with your alerts and the map
Favorites
12 saved spots
Gore Canyon
Paddle · 980 cfs
Vail Mountain
Ski · 4" new
Maroon Bells
Trail · 54°F clear
For your sport

Built for the way you get outside

From dawn‑patrol pow runs to flood preparedness, every workflow has its own dedicated tools, paired with the data you came for.

For skiers

Find the freshest snow.

SNOTEL stations across every western range, NOHRSC analysis fields, ski resort snow reports, and 72‑hour snowfall forecasts. Set an alert on your home mountain.

  • 800+ SNOTEL stations w/ depth + SWE history
  • Resort snow reports + new‑snow last 24 hours
  • Avalanche forecasts overlay
  • Push alerts on fresh snow thresholds
For paddlers

Catch the river at its sweet spot.

Every USGS gauge, paddle run on the Wild & Scenic Rivers system, fishing access, boat ramps, and a 15‑day flow forecast for your home run.

  • 10,000+ USGS streamgauges, live cfs
  • Wild & Scenic Rivers paddle runs with class ratings
  • Surge alerts for rapid‑rise warnings
  • Weather + flow forecast at every put‑in
For anglers

Find the bite. Skip the bust trip.

Every fishing access on the angling map, paired with the closest streamgauge, water temp where available, fish species index, and the boat ramp / put‑in nearby.

  • Fishing access points + paired gauge data
  • Fish species guide for every state
  • Boat ramps + amenities
  • Weather + recent flow trend at every spot
For ranchers + water managers

Know your basin. Plan ahead.

Reservoir storage levels, percent‑of‑normal across every state, watershed boundaries, drought monitor, and historical context for every gauge in your district.

  • Reservoir storage trends + percent‑of‑normal
  • Watershed (HUC8) overlays
  • Drought + flood monitor
  • Historical context on every gauge
From early users

Built with the people who use it daily.

★ ★ ★ ★ ★ 4.9 average from early TestFlight reviews
★ ★ ★ ★ ★

"Lives in the Front Range, this is the first snow app that doesn't make me cross-reference NRCS, NOHRSC, and the local ski-resort blog."

JM
Jenna M. Backcountry skier · Boulder, CO
★ ★ ★ ★ ★

"Push alerts on the gauge that drops me into Section IV. I haven't missed a window all spring. Game changer for paddle planning."

DR
Daniel R. Whitewater guide · Salida, CO
★ ★ ★ ★ ★

"The Nearby tab is what finally got my non-app-people friends on board. They tap it once and see everything within an hour's drive."

MA
Maya A. Trip leader · Bozeman, MT
★ ★ ★ ★ ★

"Reservoir storage trends + watershed boundaries on one map. I previously had to bounce between three USBR sites. This saves me hours every week."

CL
Chris L. Water district · Grand Junction, CO
★ ★ ★ ★ ★

"Tapped a fishing access in Idaho, popup showed the closest gauge, water temp, and what species are in the river. That's a tackle-shop conversation in one screen."

SK
Sam K. Fly fishing guide · Sun Valley, ID
★ ★ ★ ★ ★

"Set freeze-warning alerts on every NWS zone covering my orchard. The push lands earlier than the email I used to wait for. Worth its weight."

AR
Alicia R. Orchardist · Yakima Valley, WA
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