Weather forecast for 10 days
O'Fallon, IL

Today, a partly cloudy sky is anticipated.
Minimal precipitation is predicted. The maximum temperature will be a warm 82.4°F, while the minimum temperature will be an agreeable 69.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at a tropical 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Forecasts show the temperature expected to reach the usual June high of 83.7°F.
Sunrise was at 5:33 am and sunset will be at 8:27 pm; the daylight will last for 14h and 54min.

For the next ten days, a combination of sun-filled, dull and stormy weather is anticipated.
Rain is expected on Monday, Wednesday and next Tuesday.
Noticeable swings in temperature are expected in the upcoming days. The maximum temperature will vary between 78.8°F and 93.2°F, while the forecast minimum temperature falls between 68°F and 75.2°F.
Saturday and next Sunday, with the highest temperature of 93.2°F, will be the hottest days in O'Fallon, Illinois; with the highest temperature of 78.8°F, Monday will be the coldest day.
Combining with the humidity, the maximum feel-like temperature may increase considerably and range between 78.8°F and a scorching 111.2°F.