I managed to get Weather Message itself running on Linux using WINE. Here are the instructions:
These instructions are for Linux Mint Una Cinnamon. They should work with other Ubuntu/Debian-based distros.
1. Install WINE (I highly recommend WINE 7 or later):
Ubuntu - WineHQ Wiki
2. Install winetricks. Instructions are here, but I installed my copy from the Linux Mint Software Manager since it was easier to grab:
Winetricks - WineHQ Wiki
3. I HIGHLY recommend creating a dedicated prefix for WxMessage. I used the following command to create the prefix:
WINEPREFIX="/home/username/.winewxmessage/" winecfg
I did a 64 Bit Prefix so that as WINE improves 64 Bit performance, the prefix would have more breathing room on 64 Bit systems. For those who need to create a 32 Bit Prefix, use this command instead
Winearch=win32 WINEPREFIX="/home/username/.winewxmessage/" winecfg
4. Run WINEPREFIX="/home/username/.winewxmessage/" winetricks
Select "Install a Windows DLL or Component". If you don't see it, select "Install an Application", then click "Cancel", then the option will appear.
Select "dotnet48" from the list (.NET 4.8)
.NET 4.8 will install.
5. Grab the latest WxMessage installer from the WxMessage website.
6. Run WINEPREFIX="/home/username/.winewxmessage/" wine "/path/to/wxmessageinstaller.exe"
WxMessage will install.
7. Once WxMessage has finished installing, either launch WxMessage Server and license the application or import over the settings from a previous Windows installation (to copy over your Windows installation, select "View>Show Hidden Files" from the Files window, then navigate to /home/username/.winewxmessage/dosdevices/c:/Program Files/WxMesgNet. Copy the files from the Windows exported installation there.
8. Check to ensure WxMessage Client and Map are set to the correct IP address and port number of the WxMessage Server.
9. WxMessage may put program icons on the desktop but not the Mint Menu. To add the launchers to the menu, right click on each launcher on the desktop, click "Properties", then right-click on the Mint Menu, click "Configure", then "Menu", then "Open the Menu Editor", select "Other", click "New Item", and copy the command from one of the launchers on the desktop into the "Command" line on the "Launcher Properties" dialog box. Give the launcher a name and comment. Double-click on the application, select "Applications", and choose one of the WxMessage icons from the list.