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Local Forecast
Mount Vernon, IL Weather Forecast & Alerts
Current conditions, 5-day forecast, and active NWS weather alerts for Mount Vernon, IL.
Active Alerts 1 active
Hour-by-Hour Current Observation
Saturday 11:35 PM CDTSaturday 11:35 PM
°F
°C
64°F
Clear
- 89° / 69° High / Low
- 64° Feels Like
- 0% Chance of Rain
UV Index
0
None
Humidity
98%
Dew 64°F
Sun
5:43 AM · 8:00 PM
Rise · Set
Source: CENTRALIA (KENL). Slider scrubs the next 12 hours.
5-Day Outlook
Through Thursday
Today
89° 69°
Mostly Sunny
Overnight: Partly Cloudy
Detailed forecast
Today
Sunny, with a high near 88. South wind 7 to 16 mph, with gusts as high as 24 mph.
Night
Mostly clear. Low around 69, with temperatures rising to around 71 overnight. South wind 10 to 15 mph, with gusts as high as 23 mph.
Monday
89° 71°
Thunderstorms Likely
Overnight: Isolated T-storm
Detailed forecast
Monday
Showers and thunderstorms likely after 1pm. Partly sunny, with a high near 88. South wind 12 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Night
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly cloudy, with a low around 71. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tuesday
89° 64°
Thunderstorms Likely
Overnight: Thunderstorms
Detailed forecast
Tuesday
A chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. South southwest wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Night
Showers and thunderstorms. Mostly cloudy, with a low around 64. West southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday
75° 55°
Isolated T-storm
Overnight: Slight Chance of Rain
Detailed forecast
Wednesday
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 74. North northwest wind around 9 mph.
Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northeast wind 6 to 9 mph.
Thursday
71° 55°
Mostly Cloudy
Overnight: Slight Chance of Rain
Detailed forecast
Thursday
A slight chance of rain showers before 1pm. Partly sunny, with a high near 71. Northeast wind around 9 mph.
Night
A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 55. Northeast wind 5 to 8 mph.
Mount Vernon, IL Weather Analysis Tools
