Weather Forecast for
Zip Code 63368 O Fallon, MO

Tonight: Mostly cloudy, with a low around 44. Light east wind.

Wednesday: A slight chance of drizzle between 8am and 11am. Mostly cloudy, with a high near 65. Light and variable wind becoming southeast 5 to 8 mph in the morning.

Wednesday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 52. South wind around 6 mph becoming calm after midnight.

Christmas Day: Mostly cloudy, with a high near 64. Calm wind becoming east around 6 mph in the afternoon.

Thursday Night: Mostly cloudy, with a low around 55. East wind around 7 mph becoming southwest after midnight.

Friday: Sunny, with a high near 71.

Friday Night: Mostly cloudy, with a low around 51.

Saturday: Partly sunny, with a high near 74.

Saturday Night: Mostly cloudy, with a low around 37.

Sunday: A slight chance of rain before noon, then a slight chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 20%.

Sunday Night: Mostly clear, with a low around 17.

Monday: Sunny, with a high near 28.

Monday Night: Mostly clear, with a low around 17.

Tuesday: Partly sunny, with a high near 36.

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