Weather forecast for today
O'Fallon, MO

Today, the morning will be cloudy, but expect sunshine as the day progresses.
The temperature will vary between a maximum of a moderately hot 82.4°F and a minimum of a breezy 66.2°F.
The maximum heat index, which measures the combined effect of heat and moisture, is evaluated at a humid 87.8°F. Note that heat index values are valued for light wind and location in the shade.
Today, the expected high will correspond with the regular June temperature of 83.8°F.
Sunrise was at 5:35 am and sunset will be at 8:30 pm; the daylight will last for 14h and 55min.

Currently, in O'Fallon, early commuters are facing delays due to widespread fog.
The temperature is a warm 73.4°F. The current temperature is a few degrees off the highest temperature for today.

Today, the weather will be cloudy.
The temperature will vary between the highest temperature of 80.6°F and the lowest temperature of 71.6°F. The warmest part of the day will be from 4 pm to 7 pm.
Today, expect conditions in line with June's usual high temperature. The expected low will be also in line with the average minimum in June, which is 66.2°F.

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