Weather forecast for 10 days
O'Fallon, MO

Tomorrow, on Saturday, June 21, sunshine is also forecasted under mostly clear skies.
The maximum temperature will be a sweltering 96.8°F, while the minimum anticipated temperature is a moderately hot 75.2°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at a blazing hot 116.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, the maximum temperature is expected to align with July's average high of 87.1°F instead of June's.
Sunrise will be at 5:36 am and sunset at 8:32 pm; tomorrow's daylight will last for 14h and 56min.

On Sunday, in O'Fallon, conditions will remain bright with clear skies.
The temperature scale will run from a maximum of a fiery hot 96.8°F to a minimum of a temperate 75.2°F.
The expected temperature of 96.8°F resembles July's typical high of 87.1°F more than June's.
Sunrise will be at 5:36 am and sunset at 8:33 pm; the daylight will last for 14h and 56min.

Over the next ten days, a combination of bright and cloudy weather is anticipated.
With a probability of 24%, rainfall is expected only on next Sunday. Expected precipitation will be minimal at 0.12".
Temperature variation will be minimal in the upcoming days. Expected highs will hover between 91.4°F and 96.8°F, while the low temperature range extends from 69.8°F to 77°F.
With a maximum temperature of 96.8°F, Saturday through Monday will be the hottest days; with a maximum temperature of 91.4°F, next Saturday and Sunday will be the coldest days.
Combining with the humidity, the maximum feel-like temperature may increase significantly and vary between a fiery hot 102.2°F and a dangerously hot 116.6°F.