I looked into other source material https://latin.packhum.org/search?q=moleste fero quod
It appears there are 2 instanced in Cicero, where he used "moleste fero quod"
If that is correct, I could hazzard writing moleste fero quod [imber instat/ imbres imminent / tempestat cooritur.] moleste fero quod me [ proditurus es / prodes]