Current Conditions
Clear
Temp:
73°F
Wind: Calm
Humidity: 94%
Pressure: 29.95 in
Visibility: 10 miles
Observed at: 12:56 am CDT
Mount Vernon, IL Weather
Overnight
Mostly clear
Overnight low:
76°F
Mostly clear, with a low around 76. Calm wind.
Saturday
Chance of showers and thunderstorms
High:
102°F
A 20 percent chance of showers before 10am. Mostly sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear
Overnight low:
72°F
Mostly clear, with a low around 72. Calm wind becoming northeast around 5 mph after midnight.