Units

Extended Forecast

Snowfall Calculation

Wind Model

Radar Source

Radar Forecast

Data Layers

Snow Tracking

Experimental Weather Models

Experimental Features

About This Weather Application

Tree 60 Weather provides weather data, air quality information, wildfire tracking, and severe weather alerts for locations worldwide.

New to the site? View the onboarding tutorial for a quick introduction.

Features:

• Global Weather Data: Current conditions and 5-day forecasts
• Air Quality Monitoring: AQI data from sensors and satellites
• Wildfire Tracking: Active wildfire locations and satellite hotspots
• Hurricane Monitoring: Storm tracking and forecast paths
• Maps: Layered weather data visualization
• Pollen Forecasts: Tree, grass, and weed pollen levels

Data Sources & Attributions

Weather Data:

• NOAA/National Weather Service: Primary weather data for US locations
• Google Weather API: International weather data and backup for US locations
  Source: Google Cloud Platform Weather API
  Attribution: Weather data provided by Google. This service uses the Google Weather API to provide current conditions and forecasts globally.
  Coverage: Worldwide weather data with current conditions and multi-day forecasts.
• DWD (Deutscher Wetterdienst): German Weather Service ICON Global model forecasts
  Source: Deutscher Wetterdienst (DWD), https://opendata.dwd.de
  License: Data provided under the Verordnung zur Festlegung der Nutzungsbestimmungen für die Bereitstellung von Geodaten des Bundes (GeoNutzV)
  Attribution: Contains information from the Deutscher Wetterdienst
  Model: DWD ICON Global numerical weather prediction model
  Coverage: Global weather forecasts with 3-hour intervals for first 24 hours, 6-hour intervals for days 2-3.
• ECMWF Open Data: Global wind visualization data
  Copyright statement: Copyright "This service is based on data and products of the European Centre for Medium-Range Weather Forecasts (ECMWF)".
  Source: www.ecmwf.int
  Licence Statement: This ECMWF data is published under a Creative Commons Attribution 4.0 International (CC BY 4.0). https://creativecommons.org/licenses/by/4.0/
  Disclaimer: ECMWF does not accept any liability whatsoever for any error or omission in the data, their availability, or for any loss or damage arising from their use.
• ECMWF IFS ENS (Ensemble Forecast): 15-day global ensemble weather forecasts
  Copyright statement: Copyright "This service is based on data and products of the European Centre for Medium-Range Weather Forecasts (ECMWF)".
  Source: www.ecmwf.int via Dynamical.org
  Licence Statement: This ECMWF data is published under a Creative Commons Attribution 4.0 International (CC BY 4.0). https://creativecommons.org/licenses/by/4.0/
  Model Details: 51-member ensemble system (1 control + 50 perturbed members), 0.25° resolution (~20km), 360-hour forecast range, initialized daily at 00Z UTC.
  Disclaimer: ECMWF does not accept any liability whatsoever for any error or omission in the data, their availability, or for any loss or damage arising from their use.
• NOAA GEFS (Global Ensemble Forecast System): 35-day global ensemble weather forecasts
  Source: NOAA/NCEP via Dynamical.org
  Model Details: 31-member ensemble system, 0.25°/0.5° resolution, 840-hour forecast range, initialized daily at 00Z UTC.
  License: Public domain (U.S. Government work)
• NOAA GFS (Global Forecast System): 16-day global deterministic weather forecasts
  Source: NOAA/NCEP via Dynamical.org
  Model Details: 0.25° resolution, 384-hour forecast range, initialized 4x daily (00Z, 06Z, 12Z, 18Z UTC).
  License: Public domain (U.S. Government work)
• Google DeepMind WeatherNext 2: 15-day AI-powered global ensemble weather forecasts
  Source: Google DeepMind via Google Earth Engine / WeatherNext Developer Docs
  Model Details: 64-member probabilistic ensemble, 0.25° resolution (~28km / 27,830m), 360-hour forecast range (15 days), 6-hourly temporal resolution, initialized 4x daily (00Z, 06Z, 12Z, 18Z UTC). Data available ~6-7 hours after initialization.
  Architecture: Functional Network Generative model from Google DeepMind and Google Research. 8x faster than previous AI weather models.
  Variables: 60+ variables including 2m temperature, 10m wind components (U/V), mean sea level pressure, 6-hour accumulated precipitation, specific humidity.
  Performance: Outperforms ECMWF ENS on 97.4% of 1,320 evaluated targets. Better prediction of extreme weather and tropical cyclones.
  Citation: © 2025 DeepMind Technologies Limited. WeatherNext Info
  License: Historic data (2022-present) available under Creative Commons Attribution 4.0 International (CC BY 4.0). This is experimental data for modelling purposes only.

Air Quality Data:

• AirNow.gov: EPA air quality sensor data for North America
• Google Air Quality API: Global air quality data and forecasts

Radar Data:

• Environment and Climate Change Canada (ECCC) - ECCC MSC GeoMet: North American precipitation radar data (1km resolution). Contains information licenced under the Open Government Licence - Canada. Radar composite includes Canadian and US radars with up to 180 contributing stations. Original Legend
• NOAA MRMS (Multi-Radar Multi-Sensor): High-resolution radar mosaics for Continental US and Alaska. Base reflectivity data from NOAA National Centers for Environmental Prediction. Data provided via NOAA GeoServer. Public domain data updated every 2-10 minutes with 18-hour historical archive. Original Legend
• NOAA HRRR (High-Resolution Rapid Refresh) Forecast: 18-hour radar reflectivity forecasts for CONUS and Alaska. 3km resolution model data visualized using NOAA standard composite reflectivity colormap.
  CONUS Data: Iowa Environmental Mesonet WMS service - https://mesonet.agron.iastate.edu
  Alaska Data: NOAA HRRR Alaska GRIB2 files via AWS S3, reprojected using TiTiler cloud service
  Model Details: HRRR runs hourly for CONUS (18-hour forecast), every 3 hours for Alaska (0, 3, 6, 9, 12, 15, 18, 21 UTC)
  Colormap: NOAA standard composite reflectivity scale (dBZ) - Color Legend
  Implementation: Real-time model data fetched from NOAA AWS S3 Big Data Program (AWS Registry), cached to Firebase Storage with WebP compression for optimal performance.

Wildfire & Emergency Data:

• NIFC (National Interagency Fire Center): Active wildfire perimeters and information
• NASA FIRMS: Fire hotspot detection via satellite (MODIS/VIIRS)
• NOAA HWRF: Hurricane tracking and forecast data
• HRRR-Smoke Model: Smoke dispersion forecasts

Maps & Location Services:

• Stadia Maps: Commercial map tile hosting service
  Styles: Street map with terrain contours, Classic terrain with hill shading
  Source: Stadia Maps
  License: Commercial tile hosting service
• MapTiler: Commercial map and satellite imagery service
  Styles: Topographic/outdoor maps, Hybrid satellite imagery with labels
  Source: MapTiler
  License: Commercial tile hosting service
• Nominatim: Address search and reverse geocoding service

Map data © OpenStreetMap contributors

Pollen Data:

• Google Pollen API: Tree, grass, and weed pollen forecasts

Technical Attributions

JavaScript Libraries:

• Leaflet: Interactive mapping library (BSD 2-Clause License)
• Chart.js: Data visualization and charting (MIT License)

Infrastructure:

• Firebase: Web hosting and cloud functions (Google)
• Google Cloud: Backend services and APIs

Icons & Design:

• Lucide Icons: UI icons throughout the application (ISC License)
• Weather Icons: National Weather Service icon set

Important Disclaimers

• Emergency Use: This application is for informational purposes only. For life-threatening weather emergencies, always consult official sources like the National Weather Service.
• Data Accuracy: Weather and environmental data may have delays or inaccuracies. Always verify critical information with official sources.
• Air Quality: AQI readings are estimates based on available sensor data and may not reflect hyper-local conditions.
• Wildfire Information: Fire data is updated periodically. For evacuation orders and emergency information, consult local authorities.

Official Data Sources

• National Weather Service - Official US weather forecasts
• DWD Open Data - German Weather Service global forecast model data
• AirNow.gov - EPA air quality information
• National Interagency Fire Center - Wildfire information
• NASA FIRMS - Fire detection data
• National Hurricane Center - Hurricane tracking

Privacy Policy

Last Updated: October 18, 2025

We do not store your data on our servers. This privacy policy explains how we process data temporarily to provide weather services.

Note: Your location data and searches are processed temporarily in your browser and immediately discarded. Nothing is saved to our servers, databases, or external storage systems.

Information We Collect

Location Data (NOT STORED):

• Manual Searches: When you enter a city name or coordinates, we process this information temporarily to provide weather data. This data is never saved to our servers.
• Geolocation (Optional): If you use the "Current Location" button, we access your device's location with your permission. Your location coordinates are used immediately and never stored.
• Map Interactions: Coordinates from map clicks are processed temporarily to fetch weather data. These coordinates are discarded after the weather request is complete.

Technical Data:

• Browser Information: Basic browser type and version for compatibility
• Session Data: Temporary data stored locally to improve your experience
• Map Preferences: Your selected map layers (wildfires, smoke, radar, hurricanes) stored locally in your browser
• Error Logs: Anonymous error reports to help us improve the service

Analytics Data (Google Analytics):

• Usage Statistics: Page views, session duration, and general user behavior patterns
• Device Information: Device type, browser, screen resolution, and operating system
• Geographic Data: General geographic region (country/state level) for usage analytics
• Anonymous Tracking: IP addresses are anonymized and no personally identifiable information is collected
• Interaction Events: Button clicks, map interactions, and feature usage to improve the service

We Do NOT Collect:

• Personal identification information (name, email, phone)
• Persistent tracking across websites
• Financial or payment information
• Personal communications or contacts

How We Use Your Information

• Weather Services: Provide current conditions and forecasts for your requested locations
• Air Quality Data: Display relevant air quality information for your area
• Map Functionality: Show location-specific data layers (wildfires, weather, etc.)
• Service Improvement: Analyze usage patterns to enhance features and performance
• Error Resolution: Diagnose and fix technical issues
• Analytics & Performance: Use Google Analytics to understand user behavior, popular features, and optimize the service (with IP anonymization and privacy-enhanced settings)

Third-Party Data Sources

We integrate with several external services to provide weather data. Your data may be shared with:

Government Services:

• NOAA/National Weather Service: US weather data (public data, no personal info shared)
• EPA/AirNow.gov: Air quality data (location coordinates only)

Commercial Services:

• Google APIs: Weather, air quality, and pollen data (subject to Google's Privacy Policy)
• Google Analytics: Anonymous usage analytics and performance monitoring (with enhanced privacy settings)
• OpenStreetMap: Mapping and geocoding services (location coordinates only)

We only share the minimum necessary location information required to provide weather services.

Data Storage and Security

• Zero Server Storage: We do not store any user data on our servers, databases, or any external systems
• Local Browser Only: Only your last searched location is stored locally in your browser (not on our servers)
• No Account System: We don't require accounts, emails, or store personal profiles anywhere
• Temporary Processing Only: Location data is processed temporarily in your browser and immediately discarded
• Secure Connections: All data transmission uses HTTPS encryption
• Firebase Hosting: Our app files are hosted on Google Firebase, but no user data is stored there

Cookies and Local Storage

• Local Browser Storage Only: We use local browser storage to remember your last searched location and map layer preferences (stored on your device, not our servers)
• Map Layer Preferences: Your selected map layers (wildfires, smoke, radar, hurricanes) are saved locally so they're restored when you return
• Radar Forecast Data Caching: When you view radar forecasts and imagery, data is temporarily cached in your browser's IndexedDB storage to improve performance and reduce data usage. Forecast models (HRRR and RAP) are cached for up to 2 hours, while real-time radar imagery (MRMS) is cached for up to 20 minutes. This cached data includes weather radar imagery, forecast data, and timestamps. The cache is automatically refreshed when newer data becomes available from our servers. You can clear this cache at any time by clearing your browser data.
• No Server Cookies: We don't set any cookies that transmit personal data to our servers
• Session Data: Temporary data in your browser to maintain map state and user preferences (never sent to servers)
• Third-Party Cookies: Google Analytics sets cookies to track usage patterns anonymously, and other external services (like Google APIs) may set their own cookies

Your Rights and Choices

• Location Access: You can deny location access and manually enter locations instead
• Data Clearing: Clear your browser data to remove any locally stored information (including saved location, layer preferences, and cached radar forecast data)
• Layer Preferences: You can change your map layer selections at any time using the layer control
• Cache Management: Cached radar forecast data automatically expires after 2 hours and is refreshed when newer data is available. You can manually clear this cache by clearing your browser's local storage.
• Service Usage: You can use the app without providing any personal information
• Opt-Out: Simply stop using the service if you disagree with these practices

Children's Privacy

Tree 60 Weather is a general-audience weather service. We do not knowingly collect personal information from children under 13. The service doesn't require registration or personal details, making it safe for all ages to use with parental guidance.

Changes to This Policy

We may update this privacy policy occasionally to reflect changes in our practices or legal requirements. When we make changes, we will update the "Last Updated" date at the top of this policy. Continued use of the service constitutes acceptance of any changes.

Contact Information

If you have questions about this privacy policy or our data practices, you can:

• Use the service transparently - all data sources are clearly attributed
• Review our open approach to data sourcing in the About section
• Clear your browser data at any time to remove local information

Tree 60 Weather is designed with privacy in mind - we process your data temporarily to provide weather services without storing anything on our servers. Complete transparency, zero external data storage.

Terms of Service

Last Updated: November 10, 2025

Welcome to Tree 60 Weather. By accessing or using our website and services, you agree to be bound by these Terms of Service. Please read them carefully.

1. Acceptance of Terms

By accessing Tree 60 Weather (tree60weather.com), you acknowledge that you have read, understood, and agree to be bound by these Terms of Service and our Privacy Policy. If you do not agree to these terms, please do not use our service.

2. Description of Service

Tree 60 Weather provides:

• Weather forecasts and current conditions
• Air quality monitoring (AQI data)
• Wildfire tracking and smoke forecasts
• Hurricane tracking
• Weather radar imagery
• Pollen forecasts
• Interactive weather maps
• Environmental monitoring tools

Our service aggregates data from various government and commercial sources to provide comprehensive weather and environmental information.

3. Use of Service

Permitted Use:

• Personal, non-commercial use of weather information
• Viewing weather forecasts and environmental data
• Accessing public weather maps and visualizations
• Sharing links to our service

Prohibited Use:

• Attempting to overwhelm or damage our servers (DDoS attacks, excessive requests)
• Scraping or automated data collection without permission
• Redistributing our service as your own
• Using the service for illegal purposes
• Attempting to access restricted areas or bypass security measures
• Interfering with other users' access to the service

4. Disclaimers and Limitations

No Warranty:

Tree 60 Weather is provided "AS IS" and "AS AVAILABLE" without any warranties of any kind, either express or implied. We do not guarantee:

• The accuracy, completeness, or timeliness of weather data
• Uninterrupted or error-free service
• That defects will be corrected
• That the service is free of viruses or harmful components

Not for Emergency Use:

IMPORTANT: Tree 60 Weather is an informational service only and should NOT be relied upon for:

• Life-threatening weather emergencies
• Evacuation decisions
• Aviation, maritime, or commercial operations
• Professional meteorological purposes

For official weather warnings and emergency information, always consult:

• National Weather Service (weather.gov)
• Local emergency management authorities
• Official government weather services

Data Accuracy:

Weather and environmental data displayed on Tree 60 Weather:

• Is sourced from third-party providers (NOAA, EPA, Google, DWD, ECMWF, etc.)
• May contain errors, delays, or inaccuracies
• Should be verified with official sources for critical decisions
• Is subject to the terms and limitations of our data providers

5. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW:

• Tree 60 Weather and its operators shall not be liable for any direct, indirect, incidental, special, consequential, or punitive damages resulting from your use or inability to use the service
• This includes but is not limited to damages for loss of profits, data, or other intangible losses
• We are not responsible for decisions made based on information provided by our service
• We are not liable for any damages resulting from inaccurate or delayed weather data

You assume full responsibility for any decisions made based on information from Tree 60 Weather.

6. Third-Party Services and Links

Tree 60 Weather integrates data from multiple third-party sources:

• NOAA/National Weather Service
• EPA/AirNow.gov
• Google Weather, Air Quality, and Pollen APIs
• DWD (Deutscher Wetterdienst)
• ECMWF (European Centre for Medium-Range Weather Forecasts)
• NASA FIRMS
• Map tile providers (Stadia Maps, MapTiler)
• Other government and commercial weather services

These third-party services:

• Have their own terms of service and privacy policies
• Are not under our control
• May change or become unavailable without notice
• May have usage limitations or restrictions

We are not responsible for the content, accuracy, or availability of third-party services.

7. Intellectual Property

Our Content:

The Tree 60 Weather website design, layout, code, and original content are protected by copyright and other intellectual property laws.

Third-Party Data:

Weather data, maps, and other information displayed on Tree 60 Weather are owned by their respective providers and subject to their licenses and terms. See our About page for detailed attributions.

Your Use:

You may view and use the service for personal purposes, but you may not:

• Copy, modify, or distribute our website code or design
• Remove copyright notices or attributions
• Create derivative works based on our service
• Use our branding or trademarks without permission

8. Advertising

Tree 60 Weather may display advertisements through Google AdSense and other advertising partners:

• Ads are provided by third-party advertisers
• We do not control ad content
• Ad networks may use cookies for personalization (subject to your browser settings)
• Clicking ads will take you to external websites

We are not responsible for the content or practices of advertisers.

9. Changes to Service

We reserve the right to:

• Modify, suspend, or discontinue any part of the service at any time
• Change features, data sources, or functionality without notice
• Limit or restrict access to the service
• Update these Terms of Service

We will update the "Last Updated" date when terms are modified. Continued use of the service after changes constitutes acceptance of the new terms.

10. Privacy

Your use of Tree 60 Weather is also governed by our Privacy Policy. Key points:

• We do not store your personal data on our servers
• Location searches are processed temporarily and discarded
• Anonymous analytics are collected via Google Analytics
• Preferences are stored locally in your browser

Please review our Privacy Policy for complete details.

11. User Conduct

By using Tree 60 Weather, you agree to:

• Use the service in compliance with all applicable laws
• Not attempt to harm or exploit the service
• Not impersonate others or provide false information
• Respect the intellectual property rights of others
• Not interfere with the proper functioning of the service

12. Termination

We reserve the right to:

• Terminate or suspend your access to the service at any time
• Block access from specific IP addresses or regions
• Take action against violations of these terms

You may stop using the service at any time.

13. Indemnification

You agree to indemnify and hold harmless Tree 60 Weather and its operators from any claims, damages, losses, or expenses (including legal fees) arising from:

• Your use of the service
• Your violation of these terms
• Your violation of any third-party rights
• Decisions you make based on information from our service

14. Governing Law

These Terms of Service shall be governed by and construed in accordance with the laws of the United States, without regard to conflict of law principles.

15. Severability

If any provision of these Terms of Service is found to be invalid or unenforceable, the remaining provisions shall continue in full force and effect.

16. Contact Information

If you have questions about these Terms of Service, please contact us:

17. Entire Agreement

These Terms of Service, together with our Privacy Policy, constitute the entire agreement between you and Tree 60 Weather regarding your use of the service.