10-Day Weather Forecast - Mount Vernon, IL
- 67|31°FThunderstormsHourly details
Today
67°FShowers with a chance of thunderstorms. Some thunderstorms may produce damaging winds large hail and tornadoes this morning. Breezy with highs in the upper 60s. Temperature falling into the mid 40s this afternoon. Southwest winds 20 to 25 mph becoming northwest 15 to 20 mph this afternoon. Chance of rain 90 percent.
Tonight
31°FMostly cloudy in the evening then clearing. Much cooler with lows in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
- 51|40°FSunnyHourly details
Day
51°FSunny. Highs in the lower 50s. West winds 5 to 10 mph.
Night
40°FPartly cloudy. Lows in the lower 40s. South winds 15 to 20 mph.
- 60|34°FPartly SunnyHourly details
Day
60°FPartly sunny. Highs in the lower 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Night
34°FPartly cloudy. Lows in the mid 30s. Highs in the mid 60s.
Weekend Weather
- 59|44°FPartly CloudyHourly details
Day
59°FPartly cloudy. Lows in the mid 30s. Highs in the mid 60s.
Night
44°FPartly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the lower 50s.
- 66|24°F70% Chance Rain ShowersHourly details
Day
66°FMostly cloudy. A chance of showers in the morning then showers likely in the afternoon. Breezy with highs in the upper 60s. Chance of rain 70 percent.
Night
24°FMostly cloudy with a chance of rain and snow showers in the evening then partly cloudy after midnight. Breezy and much cooler with lows in the mid 20s. Chance of precipitation 40 percent.
- 34|17°FSunnyHourly details
Day
34°FSunny. Much cooler with highs in the upper 30s.
Night
17°FPartly cloudy in the evening then becoming mostly cloudy. Lows around 20.
- 37|30°FPartly Sunny
Day
37°FPartly sunny. Highs in the lower 40s.
Night
30°FCloudy. Low temperature around 30F. Dew point will be around 20F with an average humidity of 60%. Winds will be 8 mph from the S.
- 54|39°F30% Chance of Rain
Day
54°FCloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 54F. Dew point will be around 37F with an average humidity of 72%. Winds will be 10 mph from the S.
Night
39°FPartly cloudy. Low temperature around 39F. Dew point will be around 39F with an average humidity of 84%. Winds will be 2 mph from the S.
- 61|46°FSunny
Day
61°FSunny. High temperature around 61F. Dew point will be around 44F with an average humidity of 74%. Winds will be 2 mph from the S.
Night
46°FMostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 46F. Dew point will be around 44F with an average humidity of 79%. Winds will be 4 mph from the S.
- 65|47°FSunny
Day
65°FSunny. High temperature around 65F. Dew point will be around 49F with an average humidity of 74%. Winds will be 6 mph from the S.
Night
47°FPartly cloudy. Low temperature around 47F. Dew point will be around 46F with an average humidity of 77%. Winds will be 2 mph from the S.













