The world's fastest HRRR weather map renderer - Rust CLI tool
The world's fastest HRRR (High Resolution Rapid Refresh) map renderer, written in pure Rust. Downloads HRRR GRIB2 data from NOAA's AWS S3 bucket using byte-range requests, parses GRIB2 format, and renders beautiful weather maps as PNG using rayon parallelism.
HRRR Viewer v0.6.0
Interactive HRRR weather model viewer with real-time rendering on Natural Earth base maps.
What's New
- Interactive GUI - Pan/zoom map viewer with cursor lat/lon and data readout
- 55+ weather fields organized by category (Surface, Radar, Severe, Shear, Mesoscale, Moisture, Upper Air, Boundary Layer, Composites)
- Animation loop - Play through forecast hours with configurable speed and range
- GIF export - Save animation loops as animated GIFs
- Frame caching - Previously viewed forecast hours load instantly
- Run picker - Dropdown with last 24 model cycles
Severe Weather Parameters
SB/ML/MU CAPE & CIN, 0-3km CAPE, Lifted Index, SRH (0-1km, 0-3km), Effective Helicity, Critical Angle, Bunkers Storm Motion, Max Updraft Helicity (2-5km, 0-2km, 0-3km), Max Updraft/Downdraft Velocity, Relative Vorticity, Hail Size, Lightning Threat, ESP, and more.
Downloads
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Platform │File
───────────────────┼───────────────────────────────────────────────────
Windows x64 │hrrr-render-windows-x86_64.zip (includes CLI + GUI)
───────────────────┼───────────────────────────────────────────────────
macOS Apple Silicon│HRRRViewer-macOS-AppleSilicon.dmg
───────────────────┼───────────────────────────────────────────────────
macOS Intel │HRRRViewer-macOS-Intel.dmg
───────────────────┼───────────────────────────────────────────────────
Linux x64 │hrrr-render-linux-x86_64.tar.gz
───────────────────┴───────────────────────────────────────────────────
macOS Users
If you see a Gatekeeper warning, right-click the app and select "Open", or run:
xattr -cr "/Applications/HRRR Viewer.app"
Full Changelog: v0.5.0...v0.6.0
| Publisher | Fahrenheit Research |
|---|---|
| Version | 0.6.0 |
| Release date | 2026-03-10 |
| License | Proprietary |
| Installer type | zip |
| Architecture | x64 |
| Package ID | FahrenheitResearch.HRRR-Render |
winget install --id=FahrenheitResearch.HRRR-Render -ewinget upgrade --id=FahrenheitResearch.HRRR-Render -ewinget uninstall --id=FahrenheitResearch.HRRR-Render -eHRRR-Render is proprietary software from Fahrenheit Research. Check the publisher's license terms for pricing and usage rights.
The latest version is 0.6.0, released on Mar 10, 2026.
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 5fbefc643428a86b08e9f4058fad6d7a745886b6646a42c1b8b3f1aadbd0d377.
HRRR-Render runs on Windows and is available for 64-bit (x64) systems.
Open Settings › Apps › Installed apps, find HRRR-Render and select Uninstall. From the command line, run winget uninstall --id=FahrenheitResearch.HRRR-Render -e.
Yes. HRRR-Render is available as a portable ZIP archive (hrrr-render-windows-x86_64.zip, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.
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