O Fallon weather forecast 45 days

O Fallon 45 day weather forecast

DateWeatherPre.Max.Min
Thu 4/3Cloudy and cooler; periods of rain this afternoon; rain can lead to slower travel and reduced visibility63°F52°F
Fri 4/4A shower in the morning, then heavy rain and a t-storm; storms can bring damaging winds and the risk of significant flash flooding, creating dangerous travel63°F50°F
Sat 4/5Cooler with periods of rain, some heavy, and a thunderstorm; watch for flooding54°F43°F
Sun 4/6Cool with clouds giving way to some sun54°F36°F
Mon 4/7Cool with plenty of sun59°F38°F
Tue 4/8Remaining cool with plenty of sunshine54°F38°F
Wed 4/9Plenty of sunshine63°F48°F
Thu 4/10Mostly cloudy with a couple of showers70°F47°F
Fri 4/11Mostly sunny74°F47°F
Sat 4/12Clouds and sun75°F54°F
Sun 4/13Warm with plenty of sunshine79°F54°F
Mon 4/14Partly sunny and warm79°F52°F
Tue 4/15Periods of rain and a thunderstorm75°F47°F
Wed 4/16Sunshine72°F48°F
Thu 4/17Sunny much of the time72°F50°F
Fri 4/18Plenty of sunshine75°F50°F
Sat 4/19Plenty of sunshine75°F50°F
Sun 4/20Cloudy, chance of a little rain; warm77°F54°F
Mon 4/21Warm with plenty of sunshine77°F54°F
Tue 4/22Warm with plenty of sunshine77°F56°F
Wed 4/23Remaining warm with plenty of sunshine77°F54°F
Thu 4/24Plenty of sunshine75°F50°F
Fri 4/25Sunny and warm77°F56°F
Sat 4/26Partly sunny and warm79°F57°F
Sun 4/27Sunshine and warm79°F57°F
Mon 4/28Warm with times of clouds and sun81°F59°F
Tue 4/29Cloudy and warm79°F57°F
Wed 4/30Warm with times of clouds and sun81°F59°F
Thu 5/1A touch of morning rain; otherwise, cloudy and remaining warm81°F57°F
Fri 5/2Sun followed by increasing clouds74°F54°F
Sat 5/3Warm with plenty of sunshine79°F59°F
Sun 5/4Sunny and warm83°F61°F
Mon 5/5Warm with plenty of sun83°F61°F
Tue 5/6Sunshine and warm81°F61°F
Wed 5/7Sunshine and warm83°F61°F
Thu 5/8Mostly cloudy and remaining warm83°F57°F
Fri 5/9Partly sunny74°F57°F
Sat 5/10Partly sunny74°F56°F
Sun 5/11Cloudy and warm83°F61°F
Mon 5/12Cloudy; periods of rain in the morning followed by a couple of showers and a thunderstorm in the afternoon81°F59°F
Tue 5/13Remaining cloudy79°F56°F
Wed 5/14Mostly cloudy72°F54°F
Thu 5/15Rain75°F61°F
Fri 5/16Sun and areas of low clouds and less humid75°F57°F

Weather for the next 45 days in O Fallon, Illinois state, USA

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