O Fallon weather 7 day forecast Illinois IL, Weekly Weather Forecast

O Fallon 7 day weather forecast

Date	Weather	Max.	Min
Mon 4/15	Turning out cloudy and very warm; a thunderstorm in spots late this afternoon	88°F	66°F
Tue 4/16	Cloudy; watch for a strong thunderstorm, breezy and not as warm; storms can bring flooding downpours, hail, damaging wind gusts, and an isolated tornado	79°F	66°F
Wed 4/17	Breezy and less humid with intervals of clouds and sunshine	77°F	54°F
Thu 4/18	Pleasant with times of clouds and sun	74°F	52°F
Fri 4/19	Cloudy and cooler with a couple of showers, mainly early in the day	66°F	48°F

Sat 4/20

Cloudy and cool with rain tapering off

63°F

45°F

Weather for the next 7 days in O Fallon, Illinois state, USA

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O Fallon Weather Forecast 7 days

On this page we provide the most accurate results for the weather in O Fallon. You will find the most important information about the weather in O Fallon on this page. You can use the links for today's weather, tomorrow's weather and 15-day weather. What's the 15 day forecast for O Fallon. We have given you the most accurate information about 7 day forecast O Fallon, Weekly Weather Forecast O Fallon, O Fallon 15-day forecast, O Fallon weather 15-day forecast, O Fallon next 15-day forecast, O Fallon weather 15-day. You can find the most accurate forecasts for O Fallon here. You can find accurate O Fallon weather forecasts on the 15-day, 20-day and 90-day pages. You can also access today's weather and tomorrow's weather forecast. Weather forecasts for today and tomorrow are shown in detail every hour. O Fallon weather details; You can access it by clicking the (+) button on the right.