Storm Window

Storm Window

When it's safe to be outside

1 ratings
1 review
Free
In-App Purchases

Details

  • Released
  • Updated
  • August 6, 2026
  • September 2, 2026

Features

Background Location Access

Storm Window screenshot #1 for iPhone
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About

This app provides clear outdoor risk guidance based on hourly weather data, highlighting safe times for outdoor activities. It accounts for lightning, heat, wind, air quality, and rain, offering tailored advice for various pursuits.

Clear outdoor risk guidance
48-hour hourly risk timeline
Lightning-aware storm risk
Heat, air quality, wind, UV, rain, snow context
National Weather Service alert awareness
Home Screen widgets and Apple Watch support
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What's New in Storm Window

1.4

September 2, 2026

• Hourly risk timeline refinement • Dot chart is now the default. • Circle/dot mode became segmented capsules. • Bar mode now uses continuous normalized risk height while keeping categorical colors. • Magnifying lens was removed. • Selected-hour label is more readable and uses primary text color. • Legend moved closer to the timeline. • Added lowest/best available window summary. • Added risk timeline tests. • Notification copy fix • Fixed awkward wording like opens up around 25 hr. • It now reads like opens in about 25 hours. • Activity backgrounds • Added bundled activity background image assets. • Added remote background manifest/model support. • Added BackgroundImageManager. • Added remote background tests. • Apple Watch updates • Improved Watch refresh behavior and feedback. • Polished Watch app UI/state handling. • Updated Watch widget/app intent behavior. • Updated Watch docs/site page. • Subscription/settings copy • Refined subscription/settings presentation. • Updated tier review docs and website capability/support pages.

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Subscription plans

Storm Window Pro Monthly

Monthly access to Storm Window Pro features.

$2.991 Month
How to cancel Storm Window subscription ⁉️

User reviews

Exactly what I needed!

As a distance runner in Tampa, I need to know when the best/safest times to run are…. This app is PERFECT!! Love it! Highly highly recommend.

Developer apps

FAQ

What is Storm Window?

Storm Window provides clear outdoor risk guidance by turning hourly weather data into an easy-to-understand timeline. It helps users identify when conditions are safe for outdoor activities, considering factors like lightning, heat, and air quality.

What types of weather risks does Storm Window cover?

Storm Window covers a range of weather risks including lightning, heat, air quality, wind, UV, rain, and snow. It aims to give users a comprehensive understanding of potential hazards for outdoor planning.

Does Storm Window offer personalized features?

Yes, Storm Window Pro and Pro+ offer personalized features. These include activity-specific risk profiles, custom activity profiles, personal heat and AQI sensitivity tuning, and activity-aware guidance like 'Should I Go?'.

What are the subscription options for Storm Window?

Storm Window offers monthly and annual subscription plans for Storm Window Pro and Pro+. Annual plans include a 7-day free trial, with prices ranging from $19.99/year for Pro to $29.99/year for Pro+.

How does Storm Window provide risk explanations?

Storm Window provides built-in explanations for each hour's risk, detailing what factors are driving the assessment. Pro+ versions leverage Apple Intelligence on supported devices for enhanced risk explanations.

Is Storm Window available on Apple Watch?

Yes, Storm Window supports Apple Watch, offering Home Screen widgets and complications for convenient access to weather risk information on your wrist.

Does Storm Window offer live lightning alerts?

Live Lightning alerts are under development for Storm Window. These push notifications will alert users when lightning strikes near their active location and include a map of recent strikes.

How often is Storm Window updated?

Storm Window was last updated on September 2, 2026, indicating a relatively recent update. The latest version is 1.4, suggesting ongoing development and feature enhancements.