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)YesYesSep 2026
2Rivercast: River Levels USARivercast: River Levels USAFree4.7★ (11K)YesYesSep 2026
3Flood Alert WatcherFlood Alert WatcherFree4.8★ (5)YesYesAug 2026
4Watch Duty: Wildfire & FloodsWatch Duty: Wildfire & FloodsFree4.9★ (51K)NoYesSep 2026
5Clime: NOAA Weather Radar LiveClime: NOAA Weather Radar LiveFree4.5★ (1M)YesYesSep 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
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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
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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
  • 👍 Accurate and up-to-date information
  • 👍 Necessary for those living near rivers
  • 👍 Excellent customer support

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
  • 🔒 Have to pay for each device
  • 🔒 Charging for free data available elsewhere
Flood Alert Watcher#3

Flood Alert Watcher by John Benson

Flood Alerts & Warnings
Worth Considering
☀️ Weather
4.8(5 ratings)
FreeAdsIn-App Purchases
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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

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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