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.
Built for golf courses, athletic programs, construction crews, aviation, event operations, and anyone whose day depends on the sky. FLASH turns thunderstorm and lightning risk into a clear go or no-go call.
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
HEAT RISK AND NFHS-STANDARD, EXCLUSIVE WET BULB GLOBE TEMPERATURE 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/
Latest Version
1.5.220Uploaded by
موسى ريان
Requires Android
Android 7.0+
Category
Free Weather AppContent Rating
Everyone
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Flag as inappropriateLast updated on Sep 19, 2026
New Features
- 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
