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
6:56 PM CDT AUG 11, 2026
Clear 90°F
Feels Like:	99°F
Dewpoint:	73°F
Rel. Hum.:	58%
Visibility:	10 miles
Wind:	SSW at 9 mph
Pressure:	29.91 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Regional Weather Maps

(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 clear. Lows in the mid 70s. Southwest winds 5 to 10 mph.

WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 70s. South winds around 5 mph.

THURSDAY
Mostly sunny. Hot with highs in the mid 90s. Southwest winds around 5 mph.

THURSDAY NIGHT
Partly cloudy. Lows in the mid 70s. South winds around 5 mph.

FRIDAY
Mostly sunny. Highs in the mid 90s.

FRIDAY NIGHT THROUGH SUNDAY NIGHT
Mostly clear. Hot. Lows in the mid 70s. Highs in the upper 90s.

MONDAY THROUGH TUESDAY
Partly cloudy. Highs around 90. Lows in the upper 60s.

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 8/11/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

TIME
CDT

TEMP
(deg. F)

FEELS
LIKE

CLOUD
COVER

PRECIP
PROB.

THUNDER
PROB.

WIND
dir./mph

REL
HUM

DEWPT
(deg. F)

Tuesday
11 AUG 2026

1 PM

93°

103°

Partly Cloudy

0% Thunder
( 15% severe)

SW 12

54%

74°

High 96°

4 PM

95°

105°

Partly Cloudy

SW 10

49%

73°

Partly Cloudy

7 PM

90°

99°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 10% severe)

SSW 8

58%

73°

10 PM

82°

87°

Clear

SSW 9

72%

72°

Wednesday
12 AUG 2026

1 AM

80°

84°

Partly Cloudy

30%
RAIN
***

0% Thunder
( 12% severe)

SSW 7

77%

72°

Low 75°

4 AM

77°

79°

Clear

SW 7

82%

71°

High 96°

7 AM

76°

77°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 27% severe)

SW 6

85%

71°

Partly Cloudy

10 AM

86°

93°

Partly Cloudy

WSW 8

65%

73°

1 PM

92°

103°

Mostly Cloudy

19%
RAIN
***

0% Thunder
( 33% severe)

WSW 8

58%

75°

4 PM

93°

105°

Partly Cloudy

SSW 7

56%

75°

7 PM

88°

97°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 28% severe)

WSW 5

63%

74°

10 PM

81°

86°

Mostly Cloudy

S 5

79%

74°

Thursday
13 AUG 2026

1 AM

79°

82°

Partly Cloudy

19%
RAIN
.1–.25 in

0% Thunder
( 19% severe)

S 5

82%

73°

Low 75°

4 AM

77°

78°

Partly Cloudy

SSW 6

85%

72°

High 94°

7 AM

76°

Mostly Cloudy

24%
RAIN
.25–.5 in

0% Thunder
( 18% severe)

SW 5

87%

72°

Partly Cloudy

Chance of Rain

10 AM

84°

91°

Partly Cloudy

SW 6

72%

74°

1 PM

90°

101°

Partly Cloudy

0% Thunder
( 18% severe)

SW 7

62%

75°

4 PM

92°

103°

Partly Cloudy

SW 6

58%

75°

7 PM

88°

98°

Partly Cloudy

SSE 3

66%

75°


MT. VERNON, IL extended weather forecast
Friday 14 AUG 2026	Saturday 15 AUG 2026	Sunday 16 AUG 2026	Monday 17 AUG 2026	Tuesday 18 AUG 2026
Low 73°	Low 71°	Low 70°	Low 68°	Low 67°
High 90°	High 97°	High 97°	High 88°	High 91°

Mostly Cloudy 46% Rain	Partly Cloudy 21% Rain	Partly Cloudy 27% Rain	Partly Cloudy 28% Rain	Partly Cloudy 20% Rain

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MOUNT VERNON, IL 62864 Weather Forecast & Current Conditions

MT. VERNON, IL Current Weather

MOUNT VERNON, IL 62864 Weather Forecast

MT. VERNON, IL 3 hourly weather forecast

MT. VERNON, IL extended weather forecast

MT. VERNON, IL
Current Weather

MOUNT VERNON, IL 62864
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