Mt Vernon, IL 62864
Mostly sunny. Highs in the upper 80s. Southeast winds 5 mph.
Mostly clear. Lows in the upper 60s. Southeast winds around 5 mph.
Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the upper 80s.
Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the lower 70s.
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