Weather forecast for today
O'Fallon, MO

Today, on Tuesday, May 21, moderately clouded and windy weather is anticipated.
The chance of rainfall is low, and light precipitation is expected. A notable temperature range, reaching a high of a tropical 89.6°F (32°C) and a low of a mild 59°F (15°C), is predicted.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a tropical 93.2°F (34°C). Take into consideration that the heat index values are calculated for shade and light wind conditions.
The highest temperature of 89.6°F (32°C) will be more in line with June's average maximum of 83.8°F (28.8°C) than May's of 74.5°F (23.6°C).
Sunrise was at 5:45 am and sunset will be at 8:13 pm; the daylight will last for 14h and 29min.

In O'Fallon, at the moment, the weather is partly cloudy.
The temperature is a hot 87.8°F (31°C), and the apparent temperature is appraised at a tropical 91.4°F (33°C). The current temperature is almost at the maximum of today's 89.6°F (32°C).

Today, in O'Fallon, a combination of cloudy and occasionally stormy weather is anticipated.
Rainfall is anticipated from 7 pm to 11 pm. With light precipitation of 0.12" (3mm), the most intense rain will be falling at 9 pm and 10 pm.
The temperature will be between the lowest temperature of 73.4°F (23°C) and the highest temperature of 89.6°F (32°C). The warmest part of the day will be around 3 pm.
The highest temperature will be more resembling to June's average maximum of 83.8°F (28.8°C) than the average maximum of 74.5°F (23.6°C) in May. The lowest temperature will be comparable to the average minimum of 57°F (13.9°C) in May.

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