O Fallon weather 90 day forecast Illinois IL, 90 Days Weather

O Fallon 90 day weather forecast

Date	Weather	Max.	Min
Fri 10/9	Very warm with the temperature approaching the record high of 33 set in 1980 with plenty of sunshine	90°F	54°F
Sat 10/10	Mostly cloudy and very warm	82°F	59°F
Sun 10/11	Remaining warm with clouds giving way to sun	84°F	59°F
Mon 10/12	Hot with the temperature breaking the record high of 31 set in 2024 with plenty of sunshine; caution advised if doing strenuous activities outside	93°F	63°F
Tue 10/13	Very warm with the temperature tying the record high from 1989 with more sun than clouds	90°F	61°F

Wed 10/14	Partly sunny and not as warm with a couple of showers	81°F	64°F
Thu 10/15	Very warm and humid with considerable cloudiness; a thunderstorm in the morning followed by rain and a thunderstorm in the afternoon	82°F	59°F
Fri 10/16	Not as warm; cloudy in the morning with some rain and a thunderstorm, then intervals of clouds and sunshine in the afternoon with a couple of thunderstorms	70°F	46°F
Sat 10/17	Considerable cloudiness with a bit of rain	64°F	45°F
Sun 10/18	Cloudy	64°F	45°F
Mon 10/19	Mostly cloudy in the morning followed by sun through high clouds	66°F	46°F
Tue 10/20	After a cloudy start, sun returns	66°F	46°F
Wed 10/21	Plenty of sunshine	70°F	48°F
Thu 10/22	Sunshine	70°F	45°F
Fri 10/23	Plenty of sunshine	61°F	39°F

Weather for the next 90 days in O Fallon, Illinois state, USA

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O Fallon Weather Forecast 90 days

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