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Assumption of the BVM

403 N. Main St.
O'Fallon, Missouri 63366-2205
Phone: (636) 240-3721
Email: nicholaskastenholz@archstl.org
Website: https://assumptionbvm.org/

Mass Times

Weekday
6:30am, 8:00am

Saturday
8:00 am(MH), Vigil Mass 5:00pm

Sunday
8:00am, 10:00am, Noon
5:30pm Life Teen

Reconciliation
Every Saturday, 4:00pm-4:50pm
Weekdays, 7:30-7:50am
and by appointment

Eucharistic Adoration, in chapel
Tuesday 8:30am-10:00pm

Rosary,
Every Tueday, at 6:15pm, in chapel;
30min before every Sunday Mass

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Liturgical Calendar

4th	Tuesday	Saint Jean Vianney (the Curé of Ars), priest
5th	Wednesday	Dedication of the Basilica of Saint Mary Major Wednesday, 18th week in Ordinary Time
6th	Thursday	Transfiguration of the Lord
7th	Friday	Saint Cajetan, priest Saint Sixtus II, pope, and companions, martyrs Friday, 18th week in Ordinary Time
8th	Saturday	Saint Dominic, priest
9th	Sunday	19th Sunday in Ordinary Time
10th	Monday	Saint Lawrence, deacon and martyr
11th	Tuesday	Saint Clare, virgin

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But he was pierced for our transgressions, he was crushed for our iniquities; the punishment that brought us peace was upon him, and by his wounds we are healed.

Isaiah 53:5

Daily Mass Readings

Memorial of Saint John Vianney, Priest

Aug. 4, 2026

Monday of the Eighteenth Week in Ordinary Time

Aug. 3, 2026

Eighteenth Sunday In Ordinary Time

Aug. 2, 2026

Memorial of Saint Alphonsus Liguori, Bishop and Doctor of the Church

Aug. 1, 2026

Memorial of Saint Ignatius of Loyola, Priest

July 31, 2026

Thursday of the Seventeenth Week in Ordinary Time