MOUNT VERNON, IL 62864 Weather Forecast & Current Conditions

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62864 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
MT. VERNON, IL Current Weather
9:56 PM CDT OCT 14, 2026
Clear 68°F
Feels Like:	68°F
Dewpoint:	68°F
Rel. Hum.:	100%
Visibility:	9 miles
Wind:	Calm
Pressure:	30.04 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

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(Automated weather data from NWS/FAA)

62864 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	MOUNT VERNON, IL 62864 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 60s. Calm winds. Chance of rain 40 percent.

THURSDAY
Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph, becoming south 10 to 15 mph in the afternoon. Chance of rain 70 percent.

THURSDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely after midnight. Cooler with lows around 50. Southwest winds 10 to 15 mph, becoming northwest 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 70 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Breezy and much cooler. Less humid with highs in the upper 50s. Northwest winds 15 to 25 mph.

FRIDAY NIGHT
Partly cloudy. Lows around 40. Northwest winds 15 to 20 mph.

SATURDAY
Sunny. Highs in the lower 60s.

SATURDAY NIGHT AND SUNDAY
Clear. Lows in the mid 30s. Highs in the upper 60s.

SUNDAY NIGHT
Mostly clear. Lows around 40.

MONDAY THROUGH TUESDAY
Partly cloudy. Highs in the mid 70s. Lows in the mid 40s.

TUESDAY NIGHT AND WEDNESDAY
Mostly clear. Lows in the upper 40s. Highs in the upper 70s.

62864 WEATHER SATELLITE LOOPS

Visible Weather Satellite
MOUNT VERNON, IL 62864

Infrared Weather Satellite
MOUNT VERNON, IL 62864

62864 WEATHER RADAR LOOP

NEXRAD Weather Radar
MOUNT VERNON, IL 62864

MOS COMPUTER WEATHER FORECAST

MT. VERNON, IL 3 hourly weather forecast

weather forecast created 8:00 AM EDT 10/14/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
14 OCT 2026

1 PM

76°

76°

Mostly Cloudy

33%
RAIN
.25–.5 in

0% Thunder
( 20% severe)

N 6

94%

74°

High 78°

4 PM

77°

78°

Mostly Cloudy

NNW 5

87%

73°

Mostly Cloudy

Chance of Rain

7 PM

73°

73°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 11% severe)

CALM

97%

72°

10 PM

70°

70°

Mostly Cloudy

CALM

100%

70°

Thursday
15 OCT 2026

1 AM

69°

69°

Mostly Cloudy

26%
RAIN
.5–1 in

0% Thunder
( 27% severe)

CALM

100%

69°

Low 63°

4 AM

69°

69°

Mostly Cloudy

CALM

100%

69°

High 85°

7 AM

68°

68°

Mostly Cloudy

44%
RAIN
>2 in

0% Thunder
( 24% severe)

CALM

100%

68°

Mostly Cloudy

Chance of Rain

10 AM

74°

74°

Mostly Cloudy

ESE 6

93%

72°

1 PM

80°

85°

Mostly Cloudy

31%
RAIN
.01–.1 in

0% Thunder
( 30% severe)

S 9

82%

74°

4 PM

84°

90°

Partly Cloudy

SSW 12

67%

72°

7 PM

77°

79°

Partly Cloudy

42%
RAIN
.25–.5 in

0% Thunder
( 22% severe)

SSW 8

79%

70°

10 PM

71°

71°

Mostly Cloudy

WSW 8

93%

69°

Friday
16 OCT 2026

1 AM

67°

67°

Mostly Cloudy

30%
RAIN
.1–.25 in

0% Thunder
( 20% severe)

W 9

100%

67°

Low 46°

4 AM

59°

56°

Mostly Cloudy

WNW 15

100%

59°

High 62°

7 AM

53°

48°

Mostly Cloudy

6%

0% Thunder
( 2% severe)

NW 16

90%

50°

Mostly Cloudy

Breezy

10 AM

56°

52°

Mostly Cloudy

NW 18

62%

43°

1 PM

58°

54°

Mostly Cloudy

0%

0% Thunder
( 1% severe)

NW 20

45%

37°

4 PM

59°

55°

Partly Cloudy

NW 20

46%

38°

7 PM

54°

50°

Partly Cloudy

NW 15

64%

42°


MT. VERNON, IL extended weather forecast
Saturday 17 OCT 2026	Sunday 18 OCT 2026	Monday 19 OCT 2026	Tuesday 20 OCT 2026	Wednesday 21 OCT 2026
Low 41°	Low 34°	Low 40°	Low 50°	Low 47°
High 60°	High 70°	High 69°	High 63°	High 67°

Clear 2% Rain	Clear 5% Rain	Partly Cloudy 9% Rain	Partly Cloudy 22% Rain	Partly Cloudy 37% Rain

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