GRLevel3 is a Windows viewer for live and archive NEXRAD Level III data. It displays high resolution base products, dual polarization products, and derived products along with Local Storm Reports and severe weather warnings.
Publisher’s description
What is GRLevel3 v3?
GRLevel3 v3 is a proprietary program for Windows from Gibson Ridge Software, LLC.
Installation and requirements
Official installers exist for 32-bit as EXE (Inno Setup). The main installer is 19.5 MB. Installation asks for administrator rights. The installer supports unattended (silent) installation.
Pros / Cons
Pros
- Documented silent install
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
- 32-bit only
- Installation needs administrator rights
- No update for more than a year
In short: GRLevel3 v3 is a Windows tool for 32-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is GRLevel3 v3 safe to download?
- The file is served by grlevelx.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
54871CCF1CCFAF41007EF35A5AFA65A18222BBB6AF5D924E5CDA47A9215CA15A· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 3.0.0.1Latest | April 17, 2025 | 19.5 MB | 32-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id GRLevelX.GRLevel3 -egrlevel3_3_setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- Gibson Ridge Software, LLC
- Licence
- Proprietary
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- EXE (Inno Setup)
- Version
- 3.0.0.1
- Released
- April 17, 2025
- Added to the catalogue
- July 22, 2026
- Versions listed
- 1
- Website
- grlevelx.com
- winget ID
- GRLevelX.GRLevel3
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is GRLevel3 v3 free?
GRLevel3 v3 is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is GRLevel3 v3 safe to download?
The download comes from grlevelx.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install GRLevel3 v3 with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can GRLevel3 v3 be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does GRLevel3 v3 run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.