The 10-day span for Joanna runs from a high near 38° on Friday down to 17° overnight on Saturday. Roughly 0.85 in of rain falls over the period, with Friday the most likely wet day (90%). Wind is the one to watch: gusts to 26 mph around Thursday. The NWS alert board for this area is currently clear. Right now Joanna is running about 65° warmer than Columbia. Longer view: humid-subtropical — long summers, mild winters, spring storm season.
Joanna, SC · Elev 600 ft · 34.41°N, 81.81°W · South Carolina · Forecast computed for these exact coordinates