Weather forecast for 10 days
O'Fallon, IL

On Saturday, in O'Fallon, thunderstorms and rainy weather are anticipated in the afternoon.
The chance of precipitation is high. However, the rain will be light. The highest temperature will be a moderately hot 80.6°F (27°C), while the lowest expected temperature is a moderate 57.2°F (14°C).
It will be warmer, and the highest temperature will be 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 5:57 am and sunset at 7:54 pm; the daylight will last for 13h and 57min.

On Sunday, in O'Fallon, isolated thunderstorms are anticipated.
The chance of rain is low, and light precipitation is predicted. Expected temperature values will span from a moderately hot 78.8°F (26°C) down to a refreshing 62.6°F (17°C).
On Sunday, it will be warmer and the maximum temperature will be more in line with May's average highest temperature of 74.8°F (23.8°C) than the average highest temperature of 64.9°F (18.3°C) in April.
Sunrise will be at 5:56 am and sunset at 7:55 pm; the daylight will last for 13h and 59min.

For the next ten days, a combination of stormy, cloudy and sunny weather is predicted.
Rain is forecasted for Thursday through next Tuesday and Thursday. With light precipitation of 0.39" (10mm), most rainfall is expected on Thursday.
In the coming days, the maximum temperature will vary between 75.2°F (24°C) and 84.2°F (29°C), while the lowest temperature will vary between 57.2°F (14°C) and 68°F (20°C).
Thursday and next Tuesday, with the highest temperature of 84.2°F (29°C), will be the hottest days; Friday will be the coldest day, with the highest temperature of 75.2°F (24°C).