MOUNT VERNON, IL 62864 Weather Forecast & Current Conditions

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MT. VERNON, IL
Current Weather

12:56 PM CDT JUN 3, 2026
Clear
81°F
Feels Like: 80°F
Dewpoint: 52°F
Rel. Hum.: 37%
Visibility: 10 miles
Wind: SSE at 3 mph
Pressure: 30.29 inches
Last 72 hours

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MOUNT VERNON, IL 62864
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs in the lower 80s. East winds around 5 mph.
TONIGHT
Clear. Lows in the lower 60s. Southeast winds around 5 mph.
THURSDAY
Mostly sunny. Highs in the mid 80s. South winds around 5 mph, increasing to around 10 mph in the afternoon.
THURSDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 60s. South winds 5 to 10 mph.
FRIDAY
Sunny. Highs in the mid 80s. South winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 60s.
SATURDAY AND SATURDAY NIGHT
Mostly cloudy. Highs in the upper 80s. Lows around 70.
SUNDAY AND SUNDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows around 70. Chance of rain 40 percent.
MONDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.
MONDAY NIGHT AND TUESDAY
Mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 40 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/ 3/2026
Wednesday
3 JUN 2026
MOUNT VERNON, IL 62864 weather forecast Day 1, 12 hours 1 PM 80° 80° Clear 0%

0% Thunder
( 1% severe)
ESE   6 35% 50°
High 83° MOUNT VERNON, IL 62864 weather forecast Day 1, 15 hours 4 PM 82° 81° Partly Cloudy SE   6 34% 51°
Clear



MOUNT VERNON, IL 62864 weather forecast Day 1, 18 hours 7 PM 79° 79° Clear 0%

0% Thunder
( 1% severe)
SE   3 41% 53°
MOUNT VERNON, IL 62864 weather forecast Day 1, 21 hours 10 PM 68° 68° Clear   CALM 61% 54°
Thursday
4 JUN 2026
MOUNT VERNON, IL 62864 weather forecast Day 2, 0 hours 1 AM 64° 66° Clear 0%

0% Thunder
( 1% severe)
  CALM 73% 55°
Low 60° MOUNT VERNON, IL 62864 weather forecast Day 2, 3 hours 4 AM 62° 63° Clear   CALM 78% 55°
High 84° MOUNT VERNON, IL 62864 weather forecast Day 2, 6 hours 7 AM 65° 65° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSE   1 75% 57°

Mostly Cloudy



MOUNT VERNON, IL 62864 weather forecast Day 2, 9 hours 10 AM 77° 79° Partly Cloudy SSW   7 52% 58°
MOUNT VERNON, IL 62864 weather forecast Day 2, 12 hours 1 PM 82° 82° Mostly Cloudy 0%

0% Thunder
( 4% severe)
SSW   9 43% 57°
MOUNT VERNON, IL 62864 weather forecast Day 2, 15 hours 4 PM 83° 82° Mostly Cloudy SSW   9 40% 56°
MOUNT VERNON, IL 62864 weather forecast Day 2, 18 hours 7 PM 80° 80° Partly Cloudy 0%

0% Thunder
( 2% severe)
S   9 44% 56°
MOUNT VERNON, IL 62864 weather forecast Day 2, 21 hours 10 PM 72° 72° Partly Cloudy S   6 57% 56°
Friday
5 JUN 2026
MOUNT VERNON, IL 62864 weather forecast Day 3, 0 hours 1 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 3% severe)
S   5 63% 55°
Low 64° MOUNT VERNON, IL 62864 weather forecast Day 3, 3 hours 4 AM 66° 66° Partly Cloudy S   5 68% 55°
High 86° MOUNT VERNON, IL 62864 weather forecast Day 3, 6 hours 7 AM 67° 67° Partly Cloudy 2%

0% Thunder
( 6% severe)
S   6 70% 57°

Partly Cloudy



MOUNT VERNON, IL 62864 weather forecast Day 3, 9 hours 10 AM 77° 79° Partly Cloudy SSW   10 50% 57°
MOUNT VERNON, IL 62864 weather forecast Day 3, 15 hours 1 PM 82° 82° Partly Cloudy 3%

0% Thunder
( 16% severe)
SSW   12 43% 57°
MOUNT VERNON, IL 62864 weather forecast Day 3, 18 hours 4 PM 84° 83° Partly Cloudy SSW   12 41% 58°
MOUNT VERNON, IL 62864 weather forecast Day 3, 21 hours 7 PM 82° 82° Partly Cloudy     S   12 44% 58°

MT. VERNON, IL extended weather forecast

Saturday
6 JUN 2026
Sunday
7 JUN 2026
Monday
8 JUN 2026
Tuesday
9 JUN 2026
Wednesday
10 JUN 2026
Low 65° Low 69° Low 66° Low 60° Low 61°
High 88° High 87° High 83° High 83° High 85°
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
Overcast
35% Rain
Overcast
59% Rain
Overcast
42% Rain
Partly Cloudy
20% Rain
Partly Cloudy
12% Rain
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