Historical Records
Snow Day History in O'Fallon, Missouri
O'Fallon averages 18" of snow per year. See tonight's live snow day probability.
O'Fallon, Missouri Winter Profile
18"
Avg Snow/Year
0
Storms on Record
91,316
Population
No storm events on record for O'Fallon, Missouri in our current dataset. Check the NOAA Storm Events Database for comprehensive historical records.
Nearby City Storm History
FAQ — O'Fallon, Missouri Snow Day History
What was the biggest snowstorm in O'Fallon, Missouri?
O'Fallon, Missouri has limited storm event data in our current dataset. Check the NOAA Storm Events Database for comprehensive historical records.
How many snow days does O'Fallon, Missouri get per year?
O'Fallon, Missouri averages 18" of snow per year, with most districts using 3–7 snow days annually. Ice events can consume multiple snow days at once.