Hourly Weather Forecast for Friday
O'Fallon, Illinois (KILFAIRV3)
Source 
Forecast data derived from Weather Underground BestForecast
Monday Tuesday Wednesday Thursday Friday Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Temperature / Dew Point (°F):
Humidity (%):
Pressure (in):
Wind (mph):
Conditions:
Probability of Precipitation (%):
Cloud Cover (%):
View Current Conditions
Extended Forecast for O'Fallon (KILFAIRV3)
Monday Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Thunderstorm
93 | 66 °F
Thunderstorm
82 | 64 °F
Chance of a Thunderstorm
82 | 57 °F
Mostly Cloudy
72 | 52 °F
Clear
79 | 48 °F
Mostly Cloudy
81 | 57 °F
Mostly Cloudy
90 | 66 °F
Mostly Cloudy
90 | 68 °F
T-storms
70% chance of precipitation
T-storms
60% chance of precipitation
Chance of T-storms
40% chance of precipitation
Mostly Cloudy Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy
UV: 4 UV: 4 UV: 4 UV: 7 UV: 10 UV: 9 UV: 6 UV: 6
View Current Conditions