DOST-PAGASA raised Thunderstorm Advisory No. 3 at 4:35 PM on 4 June 2021, indicating that some parts of Davao Region, including the Municipality of Sto. Tomas will experience moderate to at times heavy rainfall with possible lightning and strong winds due to thunderstorms.
- 2,024 families or 8,760 in seven (7) barangays were affected by the flooding caused by the heavy rainfall
- 19 families in Brgy. San Miguel initially sought temporary shelter on the onset of the flooding but has already returned to their respective homes