Castalia, IA
Pollen counts
Grasses
Low
Molds
Low
Trees
Low
Weeds
Low
ALL
Pollen counts are measured as spores per cubic meter.
Weather forecast
This Afternoon
22° F
Snow likely. Cloudy, with a high near 22. Southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.