I’ve searched the forums and found posts that say I can ask Google Home to “talk to weatherflow”.
I do that and Google Home tells me “It looks like your weatherflow account is not linked yet. You can link weatherflow to your google account from the google home app”.
But there is no option to add a weatherflow device or link an account in the Google Home app.
Update: I found this link that allowed me to link my weatherflow account to google. https://assistant.google.com/services/a/uid/0000006a758f89a9