BREAKING WEATHER:  AIRPORT DELAYS
Weather Forecast for
Zip Code 63368 O Fallon, MO

Extreme Heat Warning

This Afternoon: Cloudy early, then becoming mostly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 3 to 7 mph.

Tonight: Partly cloudy, with a low around 78. Southwest wind 3 to 6 mph.

Tuesday: Sunny, with a high near 95. Heat index values as high as 106. Southwest wind 7 to 9 mph.

Tuesday Night: Partly cloudy, with a low around 77. Southwest wind 3 to 6 mph.

Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 93. West wind 6 to 8 mph.

Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.

Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%.

Friday: Mostly sunny, with a high near 91.

Friday Night: Partly cloudy, with a low around 74.

Saturday: Sunny, with a high near 94.

Saturday Night: Mostly clear, with a low around 75.

Sunday: Mostly sunny, with a high near 92.


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