This API is part of our service transition throughout 2025.
For complete details about changes and timeline, please see our main API documentation and API Transition FAQ.
If you’re looking for alternatives, here is our blogpost from founder’s perspective: Weather Radar APIs in 2025: A Founder’s Complete Market Overview
Thank you for using Rain Viewer’s Weather Maps API. We appreciate your understanding as we focus our efforts on delivering the best precipitation prediction through our consumer applications.
The data archive of sources as well as processed and geofenced weather radar files for the last 48 hours. Now limited to the last 6 radar images (no more than 48 hours old). Processed data black and white color scheme. Useful to show a single radar image on the website or create your composite map or nowcast products.
URL: https://data.rainviewer.com/images/
The directory name is a radar identifier in Rain Viewer. Each directory of a specific radar contains a radar source and processed images sorted by time.
| File Ending | Description |
|---|---|
0_source.(png|gif|jpeg|jpg|nc|h5) | Weather radar source images. Status: Available (last 6 images, <= 48 hours old) |
0_source.url | Status: ❌ Discontinued |
1_bw_raw.png | Clean radar image without watermarks, ground maps, and legends. Source image colors are converted to black and white gamma. Status: ⚠️ Until Aug 1, 2025 |
1_bw.png | Black and white reflectivity map with applied noise reduction algorithms in the original image projection (do not try to use for Google Maps). Status: ⚠️ Until Aug 1, 2025 |
2_map.png | Black and white reflectivity in the Web Mercator projection (EPSG:3857). Can be placed directly as an overlay in Google Maps, Open Street Maps, or any other web map. Status: ⚠️ Until Aug 1, 2025 |
2_map.wld | World file which describes the *2_map.png image placement on the map. Uses the Web Mercator (EPSG:3857) projection. Status: ⚠️ Until Aug 1, 2025 |
