Low Covid-19 risk in De Witt, Illinois.
Low Flu risk in De Witt, Illinois.
Low Rsv risk in De Witt, Illinois.
Low Infectious risk in De Witt, Illinois.
Low Allergy risk in De Witt, Illinois.
Low Pollution risk in De Witt, Illinois.
Low Weather risk in De Witt, Illinois.
Last updated: April 20, 2026
Data refreshed weekly