Weather forecast for 10 days
O'Fallon, IL

On Saturday, in O'Fallon, mostly sunny weather and a cloudless sky are anticipated.
Rain is not predicted. The maximum temperature will be a tropical 91.4°F (33°C), while the minimum expected temperature is a pleasant 68°F (20°C).
It will be hotter, and the highest temperature of 91.4°F (33°C) on Saturday will be more in line with July's average maximum of 85.6°F (29.8°C) than the average maximum of 83.7°F (28.7°C) in June.
Sunrise will be at 5:34 am and sunset at 8:25 pm; the daylight will last for 14h and 51min.

On Sunday, in O'Fallon, primarily bright and sunny weather is expected.
Rain is not forecasted. Temperature span will be from a high of a fiery hot 96.8°F (36°C) to a low of a warm 73.4°F (23°C).
The maximum temperature on Sunday will be higher and more in line with July's average highest temperature of 85.6°F (29.8°C) than the average highest temperature of 83.7°F (28.7°C) in June.
Sunrise will be at 5:34 am and sunset at 8:26 pm; the daylight will last for 14h and 52min.

For the next ten days, a combination of cloudy, sunny and stormy weather is forecasted.
With a probability of 54%, rainfall is anticipated only today. The precipitation will be light at 0.2" (5mm).
In the upcoming days, the maximum temperature will range between 87.8°F (31°C) and 96.8°F (36°C), while the lowest temperature will be between 64.4°F (18°C) and 75.2°F (24°C).
Sunday and Monday, with the highest temperature of 96.8°F (36°C), will be the hottest days in O'Fallon; with the highest temperature of 87.8°F (31°C), Tuesday will be the coldest day.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and range between a torrid 95°F (35°C) and a scorching 111.2°F (44°C).