See the storm before it sees you.

Anvil Weather is a professional-grade severe weather workstation for Windows, macOS and Linux: live NEXRAD Level 2 radar in seconds, 3D volumetric storm views, tornado detection, warnings, chaser tools and 30+ years of archive playback.

Free forever for live base radar + warnings. No account needed to start.

Built for severe weather days

Live Level 2 radar, fast

Real-time chunked NEXRAD feed with seconds of latency, smooth loop playback, and GPU rendering that stays fluid while you pan and zoom.

3D storm volumes PRO

Raymarched reflectivity, rotation and debris iso-surfaces on the real map, with a GOES cloud-top canopy draped over the storm.

Tornado detection PRO

In-house rotation + debris detection with preliminary EF estimates, official TVS/meso/hail icons, and storm cell tracks.

Every product, every tilt PRO

Full dual-pol suite (ZDR, CC, KDP, SW), SRM, composite reflectivity, VIL and echo tops across all elevation scans.

Warnings & environment

NWS warning polygons in the free tier; SPC outlooks, watches, MDs, ProbSevere, lightning, METARs, hodographs and Skew-T in Pro.

Chase-ready PRO

Spotter Network chasers with live streams, turn-by-turn routing, placefiles, archive playback since 1991 and HRRR future mode.

Simple pricing

Free

$0
  • Live 2D NEXRAD radar, all 160+ sites
  • Reflectivity, velocity, storm-relative velocity & correlation coefficient (base tilt)
  • Loop playback of recent scans
  • NWS warning polygons (tornado, severe, flood & more)
Download

Download Anvil Weather

Fetching the latest version…

Linux and Intel Mac builds are coming soon.

Updates are delivered automatically inside the app. All downloads on the releases page.

FAQ

Do I need an account to use the free tier?

No. Download, install, and you're looking at live radar. An account is created automatically when you subscribe to Pro (managed by Freemius, our merchant of record).

How do I activate Pro?

After checkout you'll get a license key by email. In the app, open Settings → Account, paste the key, and hit Activate. Manage billing anytime from the account page.

How many devices can I use?

Your license covers your personal devices; you can deactivate a device from the app to free a slot.

Where does the data come from?

NEXRAD Level 2/3 via the NOAA open data program on AWS, NWS API warnings, SPC products, GOES satellite/lightning and HRRR model data.