Low Covid-19 risk in Lyman, South Dakota.
Low Flu risk in Lyman, South Dakota.
Low Rsv risk in Lyman, South Dakota.
Low Infectious risk in Lyman, South Dakota.
Low Allergy risk in Lyman, South Dakota.
Low Pollution risk in Lyman, South Dakota.
Moderate Weather activity in Lyman, South Dakota.
Last updated: April 20, 2026
Data refreshed weekly