The Infectious risk has fallen noticeably over the last 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has been decreasing over the past 12 weeks in Fall River, South Dakota.
No Pollution activity has been reported over the past 12 weeks in Fall River, South Dakota.
Weather risk activity has been decreasing over the past 12 weeks in Fall River, South Dakota.
Last updated: July 6, 2026
Data refreshed weekly