Weather forecast for tomorrow
O'Fallon, IL

Tomorrow, on Wednesday, May 1, the weather will also be mainly cloudy.
The temperature will fluctuate from a high of a warm 80.6°F (27°C) to a low of a comfortable 60.8°F (16°C).
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be 82.4°F (28°C).
The highest temperature will be higher and more in line with May's average maximum of 74.8°F (23.8°C) than the average maximum of 64.9°F (18.3°C) in April.
Sunrise will be at 6:01 am and sunset at 7:52 pm; tomorrow's daylight will last for 13h and 51min.

Tomorrow, on Wednesday, a combination of cloudy, sunny and rainy weather is expected.
With minimal precipitation of 0.04" (1mm), rainfall is predicted from 1 am to 4 am.
The temperature will vary between the lowest temperature of 62.6°F (17°C) and the highest temperature of 78.8°F (26°C). The warmest part of the day will be from 3 pm to 6 pm.
The highest temperature will be more alike May's average maximum of 74.8°F (23.8°C) than the average maximum of 64.9°F (18.3°C) in April. The lowest temperature will be also more comparable to May's average minimum of 57.9°F (14.4°C) than April's average of 47.8°F (8.8°C).

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