Currently, 7:45 P.M. Sunday night, 101 degrees F; 38 C
Forecast for 1 A.M.: 77F, 25C, scattered thunderstorms, 50%. I’d like that very much. Rain.
imbriferous = rain bringing, showery.
from the OED:
Etymology: < Latin imbrifer ( < imber a shower): see -ferous comb. form.
1815 T. I. M. Forster Res. Atmosph. Phænom. (ed. 2) ii. 80 The imbriferous quality of the atmosphere.