--- title: "HeatAlert: Heat Stress Index - Reviews, Revenue and Downloads in United States | Apple App Store" description: "Stay Cool & Safe: Whether you're an outdoor enthusiast, an athlete, or simply concerned about staying safe in the scorching heat, this app is your go-to companion for real-time Wet Bulb Globe Temperat" --- # HeatAlert: Heat Stress Index — United States > WBGT Conditions & Monitoring ![HeatAlert App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/7f/a0/e8/7fa0e80f-c47c-0bd0-6359-7db931c6da68/AppIcon-0-0-1x_U007epad-0-1-P3-85-220.png/434x0w.png) **Developer:** [WeatherFlow](https://apptail.io/developer/weatherflow-UJp) (United States) **Category:** Weather **Rating:** 3.5/5 (13 ratings) **Price:** Free **Bundle ID:** earth.tempest.app.heat **Store:** Apple App Store **Country:** United States **Version:** 1.5.7 (released 2026-07-27) **Original Release:** 2025-01-10 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6475117114) **AppTail Page:** [https://apptail.io/app/heatalert-heat-stress-index-yWmp/united-states](https://apptail.io/app/heatalert-heat-stress-index-yWmp/united-states) ## HeatAlert Description Stay Cool & Safe: Whether you're an outdoor enthusiast, an athlete, or simply concerned about staying safe in the scorching heat, this app is your go-to companion for real-time Wet Bulb Globe Temperature (WBGT) and associated weather information. Key Features: Location-Based Weather Insights: Access detailed weather forecasts tailored to your specific location. Get current temperature, humidity levels, wind speed, and UV index to plan your activities and outdoor adventures wisely. Precise WBGT Values: Harnessing the power of 65,000+ Tempest Weather Systems, HeatAlert uses real-time temperature, humidity, wind speed, and solar radiation data recorded by nearby Tempest stations to provide Wet Bulb Globe Temperature information to users. This ensures the WBGT values in the HeatAlert app are tailored to your specific location, giving you a better understanding of the environmental conditions affecting you directly. Heat Stress Risk Assessment: Our app goes beyond providing raw data – using the National Weather Service WBGT suggested actions, we provide actionable recommendations to help you stay safe and cool. Regular Updates: We're committed to enhancing your experience and staying ahead of the curve. Expect regular updates with new features and improvements based on user feedback and the latest advancements in heat stress monitoring. Download HeatAlert by Tempest and take control of your safety in the heat! Stay cool, stay informed, and enjoy the outdoors responsibly. ## HeatAlert Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/af/00/b1/af00b1a2-7855-0d73-eb1c-f31d869d11df/8f2ad489-747f-4901-bda3-466f0c381e45_01.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ff/51/a6/ff51a685-1cab-5b68-a637-b883703c7b75/db293a06-03af-4527-b825-80590f0cc998_02.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c9/14/e0/c914e025-80af-423c-c903-bf6ee5efa02e/9214d248-caf2-401e-adce-41a60bf07a13_03.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/fb/06/f5/fb06f5ea-edc9-d429-3426-4272310e7411/7cd77203-f3d2-423f-868a-c65d43c2b183_04.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ca/0a/66/ca0a6634-2cae-0e37-bbc3-f3b1e859d406/72203247-0c6d-40bb-a1ac-8a99e67ec974_05.png/1242x2688.png) ## HeatAlert Rating Breakdown in United States - 5 stars: 7 (54%) - 4 stars: 0 (0%) - 3 stars: 1 (8%) - 2 stars: 2 (15%) - 1 stars: 3 (23%) ## HeatAlert Reviews in United States ### ***-- "Needs an update" Only works some times. Great when it does. Lots of bugs need to be squashed. -- DovaDovaC, 2026-08-24 ### *---- "Bad app" Inaccurate weather. Niosha is more accurate with wind and humidity. Says it’s 82 when it’s 111 outside -- Constructionman11, 2026-07-13 [View all HeatAlert reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## Apps Similar to HeatAlert - [Zelus WBGT](https://apptail.io/app/zelus-wbgt-nAB/united-states) - [熱中症WBGT](https://apptail.io/app/wbgt-lYGc/united-states) - [SmartMixin Wetterstation](https://apptail.io/app/smartmixin-wetterstation-gzEd/united-states) - [OSHA-NIOSH Heat Safety Tool](https://apptail.io/app/osha-niosh-heat-safety-tool-ybSd/united-states) - [气象计算](https://apptail.io/app/app-Qece/united-states) - [WeatherFX](https://apptail.io/app/weatherfx-LRLe/united-states) - [Good To Run](https://apptail.io/app/good-to-run-ILMe/united-states) - [Heat Index and Wind Chill](https://apptail.io/app/heat-index-and-wind-chill-hHAi/united-states) - [Teapot for Tempest](https://apptail.io/app/teapot-for-tempest-MjHn/united-states) - [Heat Safety](https://apptail.io/app/heat-safety-QJVo/united-states) ## HeatAlert Available In - [United States](https://apptail.io/app/heatalert-heat-stress-index-yWmp/united-states) - [United Kingdom](https://apptail.io/app/heatalert-heat-stress-index-yWmp/united-kingdom) - [Australia](https://apptail.io/app/heatalert-heat-stress-index-yWmp/australia) - [Azerbaijan](https://apptail.io/app/heatalert-heat-stress-index-yWmp/azerbaijan) - [Belgium](https://apptail.io/app/heatalert-heat-stress-index-yWmp/belgium) - [Bahrain](https://apptail.io/app/heatalert-heat-stress-index-yWmp/bahrain) - [Brazil](https://apptail.io/app/heatalert-heat-stress-index-yWmp/brazil) - [Belarus](https://apptail.io/app/heatalert-heat-stress-index-yWmp/belarus) - [Canada](https://apptail.io/app/heatalert-heat-stress-index-yWmp/canada) - [Czechia](https://apptail.io/app/heatalert-heat-stress-index-yWmp/czechia) - [Germany](https://apptail.io/app/heatalert-heat-stress-index-yWmp/germany) - [Denmark](https://apptail.io/app/heatalert-heat-stress-index-yWmp/denmark) - [Algeria](https://apptail.io/app/heatalert-heat-stress-index-yWmp/algeria) - [Spain](https://apptail.io/app/heatalert-heat-stress-index-yWmp/spain) - [Finland](https://apptail.io/app/heatalert-heat-stress-index-yWmp/finland) - [United Arab Emirates](https://apptail.io/app/heatalert-heat-stress-index-yWmp/united-arab-emirates) - [Croatia](https://apptail.io/app/heatalert-heat-stress-index-yWmp/croatia) - [Israel](https://apptail.io/app/heatalert-heat-stress-index-yWmp/israel) - [India](https://apptail.io/app/heatalert-heat-stress-index-yWmp/india) - [Japan](https://apptail.io/app/heatalert-heat-stress-index-yWmp/japan) - [Sri Lanka](https://apptail.io/app/heatalert-heat-stress-index-yWmp/sri-lanka) - [North Macedonia](https://apptail.io/app/heatalert-heat-stress-index-yWmp/north-macedonia) - [Malta](https://apptail.io/app/heatalert-heat-stress-index-yWmp/malta) - [Mauritius](https://apptail.io/app/heatalert-heat-stress-index-yWmp/mauritius) - [Mexico](https://apptail.io/app/heatalert-heat-stress-index-yWmp/mexico) - [Norway](https://apptail.io/app/heatalert-heat-stress-index-yWmp/norway) - [New Zealand](https://apptail.io/app/heatalert-heat-stress-index-yWmp/new-zealand) - [Philippines](https://apptail.io/app/heatalert-heat-stress-index-yWmp/philippines) - [Sweden](https://apptail.io/app/heatalert-heat-stress-index-yWmp/sweden) - [Thailand](https://apptail.io/app/heatalert-heat-stress-index-yWmp/thailand) - [Greece](https://apptail.io/app/heatalert-heat-stress-index-yWmp/greece) - [Armenia](https://apptail.io/app/heatalert-heat-stress-index-yWmp/armenia) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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