Best Flood Alert Apps

248+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated August 2026

Whether you're new to flood alert or looking for an upgrade, our curated collection of 248+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Flood Alert Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Flood Alert WatcherFlood Alert WatcherFree4.8★ (5)YesYesJul 2026
2PegelAlarm: Flood & Rain alertPegelAlarm: Flood & Rain alertFreeNoYesJul 2026
3Rivercast: River Levels USARivercast: River Levels USAFree4.7★ (11K)YesYesAug 2026
4RiverApp - River levelsRiverApp - River levelsFree4.8★ (5K)NoYesAug 2026
5Future Flood PredictorFuture Flood PredictorFree5.0★ (1)NoNoJun 2026
6Flood Early WarningFlood Early WarningFreeNoNoJun 2026
7FloodWatch IndiaFloodWatch IndiaFreeNoNoJul 2026
8The Weather Channel - RadarThe Weather Channel - RadarFree4.8★ (6M)YesYesAug 2026

Top Picks for Flood Alert

Flood Alert Watcher#1

Flood Alert Watcher by John Benson

Flood Alerts & Warnings
Editor's Choice
☀️ 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.

PegelAlarm: Flood & Rain alert#2

PegelAlarm: Flood & Rain alert by SOBOS GmbH

Water Level & Emergency alarm
Strong Contender
☀️ Weather
0.0(0 ratings)
FreeIn-App Purchases
PegelAlarm: Flood & Rain alert screenshot 1
PegelAlarm: Flood & Rain alert screenshot 2
PegelAlarm: Flood & Rain alert screenshot 3
PegelAlarm: Flood & Rain alert screenshot 4
PegelAlarm: Flood & Rain alert screenshot 5
PegelAlarm: Flood & Rain alert screenshot 6

This app provides real-time water levels and forecasts from over 30,000 measuring points worldwide. It alerts users to critical water levels, helping them prepare for potential floods and other water-related emergencies.

Rivercast: River Levels USA#3

Rivercast: River Levels USA by Juggernaut Technology, Inc.

NOAA Forecasts & Flood Alerts
Worth Considering
☀️ 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

More Flood Alert apps to explore

4
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
(5K)
free with in-app purchases
5
Future Flood Predictor
Future Flood Predictor
Future Flood Predictor
Real-time flood prediction
Free

This application provides real-time, localized flood risk assessments using data from NASA satellites and weather stations. It offers instant risk level indicators and critical alerts to help users stay informed and safe during changing weather conditions.

Real-time flood risk levelsNASA-powered data accuracyCritical flood alerts
☀️ Weather
(1)
free
6
Flood Early Warning
Flood Early Warning
Flood Early Warning
by Shannon Clarke
Free
☀️ Weather
(0)
7
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
8
The Weather Channel - Radar
The Weather Channel - Radar
The Weather Channel - Radar
Storm Alerts, Lightning, Rain
Free

Get accurate daily and hourly weather forecasts, including severe storm alerts and air quality index. Plan up to 15 days in advance with personalized weather tracking and live radar maps.

Daily and hourly forecastsLive Doppler radar mapsSevere weather alerts
☀️ Weather
(6M)
free with in-app purchases
9
National Flood Association App
National Flood Association App
National Flood Association App
by National Flood Determination Association
Free
💼 Business
(0)
10
Kashmir Flood Watch I&FC kmr
Kashmir Flood Watch I&FC kmr
Kashmir Flood Watch I&FC kmr
Kashmir Flood Watch
Free
☀️ Weather
(0)
11
Tchoup
Tchoup
Tchoup
New Orleans live flood map
Free
☀️ Weather
(0)
12
Flood Report
Flood Report
Flood Report
by Matt Shapiro
Free
☀️ Weather
(0)
13
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
14
American Flood Coalition
American Flood Coalition
American Flood Coalition
by American Flood Coalition, Inc.
Free
💼 Business
(0)
15
UkFloodPro
UkFloodPro
UkFloodPro
Monitor the UK river levels
Free

Monitor UK river levels, rain gauges, flood warnings, and tidal levels across England, Scotland, and Wales. Access detailed forecasts and view all flood warnings in a combined view. Features include saving favorite stations and viewing live rainfall data.

Monitor UK river, rain, and tidal levelsView 5-day flood forecastsSave favorite stations
☀️ Weather
(0)
free
16
My Flood Risk
My Flood Risk
My Flood Risk
by HKV Lijn in Water B.V.
Free
📚 Education
(0)
17
Seqwater
Seqwater
Seqwater
by Queensland Bulk Water Supply Authority
Free

Stay informed about water dam releases and safety notices with real-time alerts. Discover recreational activities at various sites and access emergency contacts instantly. Location services ensure timely hazard notifications.

Dam release alertsRecreation and safety noticesDam level information
🔧 Utilities
(0)
free
18
Earthwise Disaster Tracker
Earthwise Disaster Tracker
Earthwise Disaster Tracker
Earthquakes, Floods & Tsunamis
Free
☀️ Weather
(0)
19
FloodPilot
FloodPilot
FloodPilot
by archana Sharma
Free

Navigate safely by avoiding flood-prone routes. Compare standard and risk-avoiding directions with both text and voice guidance.

Flood-aware route planningCompare normal and risk-avoiding directionsText and voice guidance
☀️ Weather
(1)
free
20
Storm Shield
Storm Shield
Storm Shield
Severe Weather Alerts & Radar
Free

Receive precise, location-based severe weather alerts for tornadoes, hurricanes, floods, and more. Get voice and push notifications, view radar maps, and access forecasts. Optional premium features offer advanced radar imagery and lightning alerts.

Location-based severe weather alertsVoice and push notificationsHi-Def radar map
☀️ Weather
(111K)
free with in-app purchases

FAQ about Flood Alert

What are the best flood alert apps for iPhone?
Flood Alert Watcher tops our flood alert apps ranking as of August 2026, with a 4.8-star average from 5 App Store ratings, and it's free to download.
Yes — 20 of the top flood alert apps we rank are free to download, including Flood Alert Watcher and PegelAlarm: Flood & Rain alert.
Flood Alert Watcher shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ flood alert apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Flood Alert Watcher provides real-time flood alerts and weather warnings for the UK. It features interactive maps and data directly from the Environment Agency to keep users informed about potential flood risks.
Flood Alert Watcher uses three warning levels: Alert, Warning, and Severe. The app displays the number of active alerts for each level and allows users to tap for detailed information.