10-Day Weather Forecast - O'Fallon, IL
- 67|53°F50% Chance of StormsHourly details
Today
67°FMostly cloudy this morning then partly sunny with a chance of showers with a slight chance of thunderstorms this afternoon. Cooler with highs in the upper 60s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.
Tonight
53°FShowers with a chance of thunderstorms. Lows in the lower 50s. North winds 5 to 10 mph. Chance of rain 90 percent.
- 65|45°FMostly SunnyHourly details
Day
65°FMostly sunny. Highs in the mid 60s. Northwest winds 10 to 15 mph.
Night
45°FPartly cloudy in the evening then clearing. Lows in the lower 40s. North winds 5 to 10 mph.
- 66|49°FPartly SunnyHourly details
Day
66°FSunny in the morning then becoming partly sunny. Highs in the upper 60s. West winds 5 to 10 mph.
Night
49°FMostly cloudy. Lows in the mid 40s. Highs in the lower 60s.
- 63|41°FMostly CloudyHourly details
Day
63°FMostly cloudy. Lows in the mid 40s. Highs in the lower 60s.
Night
41°FMostly cloudy in the evening then becoming partly cloudy. Lows around 40.
Weekend Weather
- 61|42°FMostly SunnyHourly details
Day
61°FMostly sunny. Highs in the lower 60s.
Night
42°FMostly clear. Lows in the lower 40s. Highs in the lower 70s.
- 70|52°FMostly SunnyHourly details
Day
70°FMostly clear. Lows in the lower 40s. Highs in the lower 70s.
Night
52°FPartly cloudy. A slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. Chance of rain 20 percent.
- 76|51°FPartly Cloudy
Day
76°FPartly cloudy. A slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. Chance of rain 20 percent.
Night
51°FPartly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 51F. Dew point will be around 56F with an average humidity of 78%. Winds will be 8 mph from the SW.
- 71|53°F40% Chance of Rain
Day
71°FPartly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 71F. Dew point will be around 51F with an average humidity of 61%. Winds will be 7 mph from the SW.
Night
53°FPartly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 53F. Dew point will be around 52F with an average humidity of 78%. Winds will be 4 mph from the SW.
- 70|53°F40% Chance of Rain
Day
70°FPartly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 70F. Dew point will be around 52F with an average humidity of 65%. Winds will be 6 mph from the W.
Night
53°FPartly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 53F. Dew point will be around 51F with an average humidity of 76%. Winds will be 2 mph from the SW.
- 70|51°F40% Chance of Rain
Day
70°FMostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 70F. Dew point will be around 51F with an average humidity of 63%. Winds will be 5 mph from the W.
Night
51°FMostly clear with a chance of rain. Chance of precipitation 50%. Low temperature around 51F. Dew point will be around 51F with an average humidity of 78%. Winds will be 2 mph from the NW.
