MOUNT VERNON, IL 62864 Weather Forecast & Current Conditions

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MT. VERNON, IL
Current Weather

7:56 PM CDT JUN 16, 2025
Scattered Clouds
Light Rain
73°F
Feels Like: 73°F
Dewpoint: 72°F
Rel. Hum.: 97%
Visibility: 10 miles
Wind: Calm
Pressure: 29.89 inches
Last 72 hours

Local Area Snow Depth

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MOUNT VERNON, IL 62864
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 70s. Calm winds. Chance of rain 50 percent.
TUESDAY
Mostly cloudy with a chance of showers and thunderstorms in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 40 percent.
TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. South winds 5 to 10 mph.
WEDNESDAY
Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph. Chance of rain 70 percent.
WEDNESDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Locally heavy rainfall possible in the evening. Lows in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 70 percent.
JUNETEENTH
Mostly sunny. Highs in the mid 80s.
THURSDAY NIGHT AND FRIDAY
Mostly clear. Lows in the upper 60s. Highs in the upper 80s.
FRIDAY NIGHT THROUGH SUNDAY NIGHT
Mostly clear. Lows in the mid 70s. Highs in the lower 90s.
MONDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent.

Visible Weather Satellite
MOUNT VERNON, IL 62864
Infrared Weather Satellite
MOUNT VERNON, IL 62864
NEXRAD Weather Radar
MOUNT VERNON, IL 62864

MT. VERNON, IL 3 hourly weather forecast

weather forecast created  8:00 AM EDT  6/16/2025
Monday
16 JUN 2025
MOUNT VERNON, IL 62864 weather forecast Day 1, 12 hours 1 PM 75° 75° Mostly Cloudy 77%
RAIN
***
0% Thunder
( 47% severe)
ESE   3 84% 70°
High 76° MOUNT VERNON, IL 62864 weather forecast Day 1, 15 hours 4 PM 75° 75° Mostly Cloudy ESE   3 87% 71°
Mostly Cloudy

Rain Likely

MOUNT VERNON, IL 62864 weather forecast Day 1, 18 hours 7 PM 75° 75° Mostly Cloudy 51%
RAIN
.01–.1 in
0% Thunder
( 39% severe)
SE   2 87% 71°
MOUNT VERNON, IL 62864 weather forecast Day 1, 21 hours 10 PM 71° 71° Mostly Cloudy SE   1 100% 71°
Tuesday
17 JUN 2025
MOUNT VERNON, IL 62864 weather forecast Day 2, 0 hours 1 AM 71° 71° Mostly Cloudy 27%
RAIN
***
0% Thunder
( 23% severe)
SSE   1 97% 70°
Low 69° MOUNT VERNON, IL 62864 weather forecast Day 2, 3 hours 4 AM 70° 70° Overcast SSW   1 100% 70°
High 86° MOUNT VERNON, IL 62864 weather forecast Day 2, 6 hours 7 AM 71° 71° Mostly Cloudy 14%
RAIN
.01–.1 in
0% Thunder
( 20% severe)
WSW   1 100% 71°

Mostly Cloudy



MOUNT VERNON, IL 62864 weather forecast Day 2, 9 hours 10 AM 77° 78° Mostly Cloudy SSW   3 85% 72°
MOUNT VERNON, IL 62864 weather forecast Day 2, 12 hours 1 PM 82° 87° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 33% severe)
SW   6 72% 72°
MOUNT VERNON, IL 62864 weather forecast Day 2, 15 hours 4 PM 85° 91° Partly Cloudy SSW   5 65% 72°
MOUNT VERNON, IL 62864 weather forecast Day 2, 18 hours 7 PM 83° 89° Partly Cloudy 4%

0% Thunder
( 12% severe)
SSW   3 72% 73°
MOUNT VERNON, IL 62864 weather forecast Day 2, 21 hours 10 PM 75° 75° Partly Cloudy S   3 94% 73°
Wednesday
18 JUN 2025
MOUNT VERNON, IL 62864 weather forecast Day 3, 0 hours 1 AM 74° 74° Partly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 9% severe)
S   5 93% 72°
Low 71° MOUNT VERNON, IL 62864 weather forecast Day 3, 3 hours 4 AM 72° 72° Mostly Cloudy SSW   6 100% 72°
High 88° MOUNT VERNON, IL 62864 weather forecast Day 3, 6 hours 7 AM 74° 74° Mostly Cloudy 28%
RAIN
.25–.5 in
0% Thunder
( 17% severe)
SSW   8 97% 73°

Mostly Cloudy

Rain Likely

MOUNT VERNON, IL 62864 weather forecast Day 3, 9 hours 10 AM 80° 85° Mostly Cloudy SSW   12 82% 74°
MOUNT VERNON, IL 62864 weather forecast Day 3, 15 hours 1 PM 83° 90° Partly Cloudy 53%
RAIN
***
0% Thunder
( 39% severe)
SSW   14 74% 74°
MOUNT VERNON, IL 62864 weather forecast Day 3, 18 hours 4 PM 83° 89° Mostly Cloudy SSW   13 72% 73°
MOUNT VERNON, IL 62864 weather forecast Day 3, 21 hours 7 PM 81° 85° Mostly Cloudy     SSW   10 74% 72°

MT. VERNON, IL extended weather forecast

Thursday
19 JUN 2025
Friday
20 JUN 2025
Saturday
21 JUN 2025
Sunday
22 JUN 2025
Monday
23 JUN 2025
Low 71° Low 61° Low 70° Low 68° Low 70°
High 85° High 91° High 93° High 95° High 93°
MOUNT VERNON, IL 62864 weather forecast Day 4 MOUNT VERNON, IL 62864 weather forecast Day 5 MOUNT VERNON, IL 62864 weather forecast Day 6 MOUNT VERNON, IL 62864 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
74% Rain
Partly Cloudy
11% Rain
Partly Cloudy
20% Rain
Clear
18% Rain
Partly Cloudy
23% Rain
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