Best Floodwatch Apps

250+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated August 2026

Finding the right floodwatch apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Floodwatch Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FloodWatchFloodWatchFree4.7★ (280)YesYesAug 2026
2Rivercast: River Levels USARivercast: River Levels USAFree4.7★ (11K)YesYesAug 2026
3Flood Alert WatcherFlood Alert WatcherFree4.8★ (5)YesYesJul 2026
4Watch Duty: Wildfire & FloodsWatch Duty: Wildfire & FloodsFree4.9★ (49K)NoYesAug 2026
5Clime: NOAA Weather Radar LiveClime: NOAA Weather Radar LiveFree4.5★ (1M)YesYesAug 2026
6FloodWatch.siFloodWatch.siFreeNoNoAug 2026
7Flood ReportFlood ReportFreeNoNoMay 2026
8FloodNoticeFloodNoticeFree5.0★ (9)NoNoJul 2026

Top Picks for Floodwatch

FloodWatch#1

FloodWatch by Brian Deshong

Real-time river and flood data
Editor's Choice
☀️ Weather
4.7(280 ratings)
FreeAdsIn-App Purchases
FloodWatch screenshot 1
FloodWatch screenshot 2
FloodWatch screenshot 3
FloodWatch screenshot 4
FloodWatch screenshot 5
FloodWatch screenshot 6

Monitor real-time river and flood data across the United States. Track river height, discharge, precipitation, and water temperature with data from USGS and NWS. Ideal for property owners, outdoor enthusiasts, and anyone needing flood awareness.

Rivercast: River Levels USA#2

Rivercast: River Levels USA by Juggernaut Technology, Inc.

NOAA Forecasts & Flood Alerts
Strong Contender
☀️ Weather
4.7😊(11K ratings)
FreeAdsIn-App Purchases
Rivercast: River Levels USA screenshot 1
Rivercast: River Levels USA screenshot 2
Rivercast: River Levels USA screenshot 3
Rivercast: River Levels USA screenshot 4
Rivercast: River Levels USA screenshot 5
Rivercast: River Levels USA screenshot 6

Monitor river levels, flow rates, and flood warnings with real-time data and forecasts. Get custom alerts for your favorite waterways and visualize trends with interactive graphs. Essential for anyone living, working, or recreating near water.

What We Love

  • 🚀 Great app
  • 👍 Easy to navigate
  • 👍 Helpful for monitoring river levels
  • 👍 Useful for fishing and boating

Room to Improve

  • 🐛 Data not always up-to-date
  • 🔒 Paid subscription required for full functionality
  • 🔒 Can't view more than 30 hours of data without premium
Flood Alert Watcher#3

Flood Alert Watcher by John Benson

Flood Alerts & Warnings
Worth Considering
☀️ Weather
4.8(5 ratings)
FreeAdsIn-App Purchases
Flood Alert Watcher screenshot 1
Flood Alert Watcher screenshot 2
Flood Alert Watcher screenshot 3
Flood Alert Watcher screenshot 4
Flood Alert Watcher screenshot 5
Flood Alert Watcher screenshot 6

Receive real-time flood alerts and weather warnings for the UK. View interactive flood maps, understand warning levels, and get peace of mind with trusted data from the Environment Agency.

More Floodwatch apps to explore

4
Watch Duty: Wildfire & Floods
Watch Duty: Wildfire & Floods
Watch Duty: Wildfire & Floods
Fire & Flood Maps and Alerts
Free

Get real-time wildfire information and alerts powered by a dedicated team of first responders and reporters. Receive immediate updates on fire perimeters, evacuation orders, and firefighting efforts, going beyond delayed government alerts to keep you informed and safe.

Real-time wildfire mapsPush notifications for nearby firesActive fire perimeters
📡 News
(49K)
free with in-app purchases
5
Clime: NOAA Weather Radar Live
Clime: NOAA Weather Radar Live
Clime: NOAA Weather Radar Live
Tornado, Rain & Storm Alerts
Free

Get real-time radar, severe weather alerts, and accurate forecasts. This app provides detailed weather information, including precipitation, temperature, and wind, to help you stay informed and safe from approaching storms.

Real-time radar imagesSevere weather alertsPrecipitation forecast
☀️ Weather
(1M)
free with in-app purchases
6
FloodWatch.si
FloodWatch.si
FloodWatch.si
by Zan Kafol
Free
☀️ Weather
(0)
7
Flood Report
Flood Report
Flood Report
by Matt Shapiro
Free
☀️ Weather
(0)
8
FloodNotice
FloodNotice
FloodNotice
Stream, River, & Flood Levels
Free

Access real-time streamflow, river levels, and flood forecasts from over 6,000 locations across the U.S. Save your favorite streamgages for quick access to critical waterbody information.

Real-time streamflow observationsRiver level monitoringFlood condition alerts
☀️ Weather
(9)
free
9
Emergency: Severe Weather App
Emergency: Severe Weather App
Emergency: Severe Weather App
Alerts, Maps, Radar & Shelters
Free

Stay safe during extreme weather and disasters with real-time alerts, interactive preparedness guides, and essential tools. This app provides official weather notifications, live maps, and helps locate shelters and services when you need them most.

Real-time severe weather alertsInteractive preparedness guidesPersonalized checklists
☀️ Weather
(7.2K)
free with in-app purchases
10
FloodWatch India
FloodWatch India
FloodWatch India
Central Water Commission
Free

This official app provides real-time flood situation updates and forecasts up to 7 days across India. It utilizes advanced technologies for accurate predictions, offers location-specific alerts, and includes reservoir storage data. The app aims to help users stay informed and prepare for potential flood risks.

Real-time flood monitoring7-day flood forecastsLocation-based flood alerts
☀️ Weather
(0)
free
11
My Flood Risk
My Flood Risk
My Flood Risk
by HKV Lijn in Water B.V.
Free
📚 Education
(0)
12
Ellicott City FloodWatch
Ellicott City FloodWatch
Ellicott City FloodWatch
Real-Time Flood Monitoring
Free

This app provides real-time flood monitoring for Ellicott City, Maryland residents. It offers live river data, weather alerts, and personalized flood risk assessments for your property. Stay informed and safe with detailed flood zone maps and water quality information.

Real-time river level monitoringWeather and flood alertsPersonalized property flood risk assessment
☀️ Weather
(1)
free
13
Levee
Levee
Levee
Real-time UK flood warnings
Free
☀️ Weather
(0)
14
RiverApp - River levels
RiverApp - River levels
RiverApp - River levels
Real-time river conditions
Free

Access real-time water levels, flows, and temperatures for rivers worldwide. Ideal for sports enthusiasts and professionals, it offers detailed maps, navigability information, and customizable alerts for over 40,000 hydrometric stations.

Real-time water levels and flowsWater temperaturesHydrometric station maps
☀️ Weather
(4.8K)
free with in-app purchases
15
FloodGuard Quang Binh
FloodGuard Quang Binh
FloodGuard Quang Binh
Cảnh báo lũ
Free
☀️ Weather
(0)
16
Kashmir Flood Watch I&FC kmr
Kashmir Flood Watch I&FC kmr
Kashmir Flood Watch I&FC kmr
Kashmir Flood Watch
Free
☀️ Weather
(0)
17
Flood Map USA
Flood Map USA
Flood Map USA
Flood zone maps by address
Free

This app helps you identify flood-prone areas near a specific U.S. street address. It can generate printable maps or interactive overlays based on available FEMA flood study data. Useful for risk assessment before or after severe weather events.

Flood zone identification by addressFEMA flood study data integrationPrintable PDF flood maps
☀️ Weather
(2)
ad-supported
18
FloodStop: Pump Monitor
FloodStop: Pump Monitor
FloodStop: Pump Monitor
by WaterTite Products Inc.
Free
🌟 Lifestyle
(0)
19
FloodCamsQLD
FloodCamsQLD
FloodCamsQLD
All The Cams In One App
Free
☀️ Weather
(0)
20
HydraAtlas
HydraAtlas
HydraAtlas
Flood Awareness and Safety
Free

This app provides detailed flood risk information for any US location using official FEMA data. It offers real-time updates on stream gauges, weather alerts, and radar, helping users make informed decisions about potential flood hazards.

FEMA flood zone mappingUSGS stream gauge readingsNational Weather Service alerts
🔧 Utilities
(2)
free

FAQ about Floodwatch

What are the best floodwatch apps for iPhone?
FloodWatch tops our floodwatch apps ranking as of August 2026, with a 4.7-star average from 280 App Store ratings, and it's free to download.
Yes — 20 of the top floodwatch apps we rank are free to download, including FloodWatch and Rivercast: River Levels USA.
FloodWatch shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ floodwatch apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
FloodWatch provides real-time data on river and stream conditions across the United States. It allows users to monitor river height, discharge, precipitation, and water temperature, drawing information from the US Geological Survey (USGS) and National Weather Service (NWS).
Key features include real-time river data from thousands of USGS gauges, historical trends and graphs to visualize changes over time, a favorites list for quick access to important gauges, nationwide coverage with flood-stage information, flood awareness alerts, and checks on water conditions for recreational activities.

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