# Flash Weather: Future Radar — Lightning Prediction & Alerts

> AI-powered predictive weather alerts for lightning, heat risk, and radar. (iPhone/iPad app by Flash Scientific Technology.)

- Source: https://appshunter.io/ios/app/flash-weather-future-radar/id6462927563 (this page in markdown: same URL + `.md`)
- Developer: [Flash Scientific Technology](https://appshunter.io/developer/1703653310)
- Category: Weather, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.40/5 from 103 App Store ratings · 48 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 72 MB
- Languages: American English
- Released: 2023-10-04
- Data updated: 2026-09-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/flash-weather-future-radar/id6462927563/reviews.md

## What is Flash Weather?

FLASH predicts lightning before the first strike. With a patented algorithm infused with Deep Learning, you'll always know when to head inside, and when it's safe to head back out.

Whether you are outdoors for work, training, sports, or recreation, FLASH is your edge against the elements.

LIGHTNING PREDICTION LIKE NEVER BEFORE
Our patented algorithm, infused with deep learning, forecasts where lightning will be before it hits.
- Live Activities let you track the storm from your Lock Screen
- FirstStrike tells you when the strike will be in your backyard
- All Clear gives a simple yes/no answer to "Can we go back outside?"
- 5 Hour Lightning Forecast gives extra time to decide on afternoon & evening plans 

CURRENT AND FUTURE RADAR
High resolution current and future radar with lightning, watches and warnings, plus Flash Weather's FirstStrike, All Clear, and Lightning Probability forecast maps.
- Up to the minute current radar and current lightning
- 18-hour future radar in 15-minute increments, updating hourly
- FirstStrike, All Clear, and Lightning Probability maps updating every 2 minutes

SMART PUSH NOTIFICATIONS
Get alerted when lightning is detected or forecast near you.
- Forecast-based warnings before a strike
- Customizable lightning proximity alerts for every saved location

NFHS-STANDARD, EXCLUSIVE HEAT AND WBGT FORECASTING
Plan your day with real-time WBGT readings, critical for outdoor safety. FLASH also forecasts heat stress 7 days out so you can avoid dangerous conditions before they start.
- Live WBGT values for your exact location
- Heat risk color coding for easy interpretation
- 7-day forward-looking heat stress outlook

HOURLY AND 7-DAY FORECASTS
High and low temperatures, precipitation chance and amount, wind, dew point, cloud cover, and UV index.
- Hourly and daily forecasts out 7 days
- Graphical temperature, precipitation, and wind outlooks

Developed by Flash Weather. Learn more at flashweather.ai
Questions or suggestions: support@flashweather.ai

Some features require a Flash Premium subscription. After a 7-day free trial, Premium is $3.99/mo or $39.99/yr.

Privacy Policy: https://flashweather.ai/privacy/
Terms of Service: https://flashweather.ai/legal/
Auto-renewable subscriptions are governed by Apple's standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- AI lightning prediction
- Real-time heat risk metrics
- Current and future radar maps
- Smart push notifications
- Hourly and 7-day forecasts
- Customizable warning settings

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Flash Premium Yearly | $39.99 | per year |
| Flash Premium Monthly | $3.99 | per month |


## Chart rankings

- #139 in Top Grossing · Weather (US App Store)

## Recent user reviews (10 of 48)

All indexed reviews: https://appshunter.io/ios/app/flash-weather-future-radar/id6462927563/reviews.md

### 5/5 — Incredible accuracy

*2026-09-22*

There’s not an app that is as accurate as Flash Weather… I have tracked severe weather using multiple apps to compare accuracy and Flash wins every time!

### 5/5 — Dog thunder flight risk

*2026-07-29*

Highly recommend. Been super useful to get alerts when lightning and thunder are close by. We have a dog that is terrified of thunder and jumps the fence. Now we can prepare and lock her in the house.

### 1/5 — Pay for too much

*2026-07-14, version 1.5.125*

Tried this app when first came out. Had issues, something’s changed. But way too many features are free on well known free apps.  Paying for lightning alerts-nope, the metrics (showing humidity, uv, etc) never appears). 
Will stick with major names and forget all this AI BS.

### 3/5 — Great app IF you pay.

*2026-07-11, version 1.5.125*

Great lightning app and interface, but basic things like more than one location notification requires a subscription so I’ve moved to other apps.

### 2/5 — Issues

*2026-07-03*

This app was recommended to me with the caveat that it doesn’t always load quickly or at all.  After a few days I would agree.  I’m in the middle of a storm and the lightening feature won’t load.  Seems decent but only if it works which appears to be about half the time.   Certainly not worth the price they charge

**Developer response:** Hi Rule, thanks for the feedback and sorry the lightning feature let you down when you needed it most. That's not the experience we want, especially during a storm. Mind emailing support@flashweather.ai with your device and any screenshots you're able to share? We'd like to look into what's causing the load issue.

### 5/5 — Must Have Weather APP

*2026-06-03*

Flash Weather AI has become my sole go-to weather.  Everything I need weather wise in one place and extremely accurate.  Site specific and easy to save multiple locations.  The lightning prediction is unparalleled and a great safety tool!

**Developer response:** Thank you Honey! Glad to see you're enjoying the Flash app.

### 5/5 — Flapping my wings for Flash AI

*2026-05-30*

Flash AI obviously gives weather notifications. I am an avid or an anthologist and have been seeking a European Stirling my entire life. Thank God, I had my lightning notification turned on because boy did I get one and boy did European starling all thanks to Flash AI!

### 5/5 — Beware - Ignore earlier comments app works well now!

*2026-05-02, version 1.5.18*

With the latest update 5/01/26, I was able to subscribe, and the app works very well indeed. Highly recommended!

The lightning alerts are magnificent, if they work. They now hide them under a Premium toll bridge; there does not seem to be any way to sign up for this on my iPod - when I go to manage account, all I get is a promo for Apple One. I have contacted the app at least five times, and have received no answer. I want to sign up, but can’t find any way do so…

### 5/5 — Very Accurate!

*2026-04-26, version 1.5.2*

This app is so much more accurate than anything I have seen out there. Love it!!

### 5/5 — Great app!

*2026-04-23, version 1.5.1*

Love it!

## Frequently asked questions about Flash Weather

### What does Flash Weather AI do?

Flash Weather AI provides advanced, AI-powered weather intelligence. It offers precise lightning forecasts, real-time heat risk metrics, current and future radar maps, and detailed hourly and 7-day forecasts. The app aims to keep users safe and informed about severe weather conditions.

### What are the key features of Flash Weather AI?

Key features include AI-driven lightning prediction with alerts, real-time Wet Bulb Globe Temperature (WBGT) readings for heat risk, high-resolution current and future radar with lightning overlays, smart push notifications tailored to your location, and comprehensive hourly and 7-day weather forecasts.

### Is Flash Weather AI free to use?

Yes, the application is available for free. It does not have in-app purchases or advertisements, allowing users to access all its features without cost.

### How does the lightning prediction work?

The app uses proprietary AI to predict lightning before it strikes with pinpoint accuracy. It provides forecasts of where lightning is most likely to occur, updated every 2 minutes, along with real-time tracking of lightning activity and an intuitive safety indicator.

### Can I customize the alerts?

Yes, you can customize the warning radius for lightning alerts, from 3 to 12 miles, and adjust the countdown duration from 15 to 60 minutes. You can also set up customizable lightning proximity alerts for your saved locations.

## Version history (last 5 releases)

### 1.5.222 — 2026-09-22

New Features

- Heat tab significantly enhanced. Current WBGT and forecast WBGT now customizable by surface type. Threshold standards now customizable. Forecast chart UI updated as well.
- General weather notifications now available. Driven by FlashEdge model(Next release will feature user customization of these notifications)
- All forecasts in forecast tab now driven by FlashEdge model. Fully aligning with Weather Command Center forecasts

Performance Improvements

- Initial loading of mapping layers made quicker/more efficient
- Loading in of lightning detection and prediction data on lightning tab made more quicker/more efficient
- Custom messages at open of app for new users improved

Bug Fixes

- Map loading issue fully resolved

### 1.5.175 — 2026-08-19

New Features

- None

Performance Improvements

- Initial loading of mapping layers made quicker/more efficient
- Loading in of lightning detection and prediction data on lightning tab made more quicker/more efficient
- Live Activities/Dynamic Island load time and behavior made more consistent
- Refresh button added to mapping section in case mapping layers loading times out

Bug Fixes

- Issue improved/fixed where mapping layers wouldn't initially load upon opening of app

### 1.5.163 — 2026-08-06

New Features

- Lightning detection gauge view updated
- Heat risk gauge view updated
- Direction of lightning added to the lightning gauge in the Lightning Tab
- Users can now select any main tab as their default opening view. Can be found in 'Settings' section
- Swipe down to refresh features now available on the Lightning and Heat Tabs

Performance Improvements

- Initial loading of mapping layers made quicker/more efficient
- Loading in of lightning detection and prediction data on lightning tab made more quicker/more efficient
- 'Now' bar added to Live Activities
- Live Activities/Dynamic Island load time and behavior made more consistent
- All mapping layers now automatically refresh
- App loads more efficiently when user does not have fast connection or on wifi
- When user is towards end of a warning state, warning card in Lightning tab has updated terminology to better reflect situation
- Color coded current status dot now reflects active warning countdown state for Lightning Tab

Bug Fixes

- Issue improved/fixed where mapping layers wouldn't initially load upon opening of app

### 1.5.144 — 2026-07-22

New Features

- Direction of lightning added to the lightning gauge in the Lightning Tab
- Users can now select any main tab as their default opening view. Can be found in 'Settings' section
- Swipe down to refresh features now available on the Lightning and Heat Tabs

Performance Improvements

- Initial loading of mapping layers made quicker/more efficient
- Loading in of lightning detection and prediction data on lightning tab made more quicker/more efficient
- 'Now' bar added to Live Activities
- Live Activities/Dynamic Island load time and behavior made more consistent
- All mapping layers now automatically refresh
- App loads more efficiently when user does not have fast connection or on wifi
- When user is towards end of a warning state, warning card in Lightning tab has updated terminology to better reflect situation
- Color coded current status dot now reflects active warning countdown state for Lightning Tab

Bug Fixes

- Inconsistency in range rings settings matching range rings on mapping layers fixed

### 1.5.125 — 2026-07-10

New Features

- Live Activites and Dynamic Island can now be enabled on lock screen and mobile device while lightning threat is near user's location

Performance Improvements

- Verbiage added to when a user has multiple sign ins and cannot access premium features
- Lightning detection now opens to nearest strike number rather than starting at 0 then loading strike distance
- Location pin on map changed to a dot
- Saved location stars now tappable in the locations section
- All mapping layers now automatically refresh

Bug Fixes
- Align detection notifications with Weather Command Center statuses
- Color coded dot under Lightning Tab icon will now reflect warning state correctly
- Premium access no longer delayed or revoked if user has poor/no connectivity

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## Related topics

[flash lightning](https://appshunter.io/ios/topics/flash-lightning)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-24.*
