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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
9:41 ● ●●●● 100%
Lower Boulder Creek · 87cfs
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Today's briefing

What's happening across the country today

July
19
2026
Daily report
**Critical Water Crisis Deepens Across Central Plains and Southwest**

The nation faces a mounting hydrological emergency as multiple reservoir systems register catastrophic deficits entering peak summer. Kansas reservoirs lead the crisis with Milford Lake at just 35% of normal capacity, Perry Lake at 26%, and Tuttle Creek at 30%—threatening municipal water supplies and agricultural operations across the heartland. The situation mirrors conditions across Texas, where major systems show severe depletion: Eagle Mountain Reservoir near Fort Worth holds only 25% of typical levels, Bridgeport Reservoir sits at 38%, and the critical Choke Canyon Reservoir has plummeted to 26% capacity. Lake Hudson in Oklahoma has collapsed to 38% of average storage, while Arizona's Bartlett and Horseshoe reservoirs register at 74% and 43% respectively, compounding concerns across the drought-stricken Southwest.

**Flood Risks Surge in Mississippi and Ohio Valleys as Tropical System Threatens Gulf Coast**

Contrasting sharply with western drought conditions, the Ohio River at Old Shawneetown surges at 259,000 cubic feet per second—among the highest flows recorded nationally—while the Mississippi River system shows elevated flows from Minnesota through to the Gulf. The National Hurricane Center reports an 80% probability of tropical cyclone formation in the Gulf of Mexico within 48 hours, with heavy rainfall expected from Louisiana to Florida adding to already saturated conditions. Meanwhile, Canadian wildfire smoke has triggered air quality alerts across the Upper Midwest, impacting Chicago and Michigan, complicating outdoor recreation and public health concerns. The juxtaposition of extreme drought conditions across the Central Plains and Southwest against flooding risks in the Mississippi and Ohio valleys underscores the nation's increasingly volatile hydrological extremes, with critical implications for water management, agriculture, and emergency preparedness heading into late summer.
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 Lower 48 Sees Modest Activity A notable divide in winter weather patterns is emerging across the nation, with Alaska's North Slope positioned to receive the most ...
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 America: From Record Highs in Texas Hill Country to Concerning Lows in the North A dramatic hydrological divide is reshaping America's waterways this week, with portions of Texas experiencing ...
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 SWEEPS NATION AS RIVERS SURGE TO UNPRECEDENTED LEVELS A dangerous flooding emergency is unfolding across multiple U.S. regions as catastrophic water levels threaten communities from Texas to the Northeast, with ...
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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