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O Fallon, IL
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55°
Last Updated on Apr 26 2024, 4:55 am CDT
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Current Conditions | Overcast | Relative Humidity | 61% | Wind | Southeast at 9.2 MPH (8 KT) | Pressure | 29.99 mb | Dewpoint | 42.3 F (5.7 C) | Wind Chill | 52 F (11 C) | Visibility | 10.00 miles |
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7-Day Forecast
Tonight
Heavy Rain then Scattered T-storms
Low: 64°
Showers and possibly a thunderstorm before 11pm, then scattered showers and thunderstorms, mainly between 11pm and 3am. Some of the storms could produce heavy rainfall. Low around 64. South wind 11 to 16 mph with gusts as high as 31 mph. Chance of precipitation is 100%.
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Saturday
Isolated T-storms and Breezy
High: 80°
Isolated showers and thunderstorms. Mostly cloudy with a high near 80. Breezy with a south wind 16 to 20 mph with gusts as high as 31 mph. Chance of precipitation is 20%.
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Saturday Night
Mostly Cloudy
Low: 67°
Mostly cloudy with a low around 67. South wind 11 to 14 mph with gusts as high as 25 mph.
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Sunday
Breezy. Partly Sunny then Chance Showers
High: 81°
A 30% chance of showers and thunderstorms after 1pm. Partly sunny with a high near 81. Breezy with a south wind 16 to 23 mph with gusts as high as 34 mph.
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Sunday Night
Showers
Low: 64°
Showers and possibly a thunderstorm. Low around 64. South wind 16 to 18 mph with gusts as high as 28 mph. Chance of precipitation is 80%.
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Monday
Showers Likely
High: 76°
Showers likely and possibly a thunderstorm. Mostly cloudy with a high near 76. Chance of precipitation is 70%.
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Monday Night
Chance T-storms
Low: 57°
A 30% chance of showers and thunderstorms before 1am. Partly cloudy with a low around 57.
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Tuesday
Sunny then Slight Chance T-storms
High: 82°
A 20% chance of showers and thunderstorms after 1pm. Sunny with a high near 82.
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Tuesday Night
Slight Chance T-storms
Low: 63°
A 20% chance of showers and thunderstorms. Partly cloudy with a low around 63.
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Wednesday
Mostly Sunny then Chance T-storms
High: 82°
A 40% chance of showers and thunderstorms after 1pm. Mostly sunny with a high near 82.
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Wednesday Night
Chance T-storms
Low: 62°
A 40% chance of showers and thunderstorms. Partly cloudy with a low around 62.
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Thursday
Chance T-storms
High: 78°
A 50% chance of showers and thunderstorms. Partly sunny with a high near 78.
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Thursday Night
Chance T-storms
Low: 55°
A 30% chance of showers and thunderstorms. Mostly cloudy with a low around 55.
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Friday
Slight Chance Showers
High: 74°
A 20% chance of showers. Mostly sunny with a high near 74.
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Source: National Weather Service
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