Weather forecast for tomorrow
Glen Carbon, IL

Tomorrow, on Tuesday, May 21, the weather will also be mostly sunny and windy.
With a low probability, light precipitation is forecasted. Temperature is expected to swing from a high of a tropical 89.6°F (32°C) to a low of an enjoyable 64.4°F (18°C).
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be a sweltering 96.8°F (36°C). Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
It will be hotter, and the maximum temperature of 89.6°F (32°C) will be more in line with June's average highest temperature of 83.3°F (28.5°C) than the average highest temperature of 74.5°F (23.6°C) in May.
Sunrise will be at 5:42 am and sunset at 8:10 pm; tomorrow's daylight will last for 14h and 29min.

Tomorrow, a combination of sunny, stormy and cloudy weather is forecasted.
Rainfall is forecasted from 8 pm to 11 pm. With light precipitation of 0.12" (3mm), most rainfall is expected at 10 pm.
The temperature will be between a minimum of 69.8°F (21°C) and a maximum of 87.8°F (31°C). The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be more resembling to June's average highest temperature of 83.3°F (28.5°C) than the average highest temperature of 74.5°F (23.6°C) in May. The lowest temperature will be also more resembling to June's average minimum of 66.6°F (19.2°C) than May's average of 57.6°F (14.2°C).

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