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
8:56 AM CDT APR 16, 2026
Clear 63°F
Feels Like:	62°F
Dewpoint:	59°F
Rel. Hum.:	87%
Visibility:	10 miles
Wind:	SW at 12 mph
Pressure:	29.95 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

62864 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	MOUNT VERNON, IL 62864 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly cloudy this morning, then mostly sunny with a slight chance of showers and thunderstorms this afternoon. Highs around 80. Southwest winds 5 to 10 mph. Chance of rain 20 percent.

TONIGHT
Mostly clear. Lows in the upper 50s. South winds around 5 mph.

FRIDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 40 percent.

FRIDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 50s. South winds 10 to 15 mph. Chance of rain 80 percent.

SATURDAY
Showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Cooler. Less humid with highs in the mid 60s. Temperature falling into the upper 50s in the afternoon. West winds around 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Cooler with lows in the upper 30s.

SUNDAY AND SUNDAY NIGHT
Clear. Highs in the mid 60s. Lows in the lower 40s.

MONDAY AND MONDAY NIGHT
Mostly clear. Highs in the upper 60s. Lows around 50.

TUESDAY AND TUESDAY NIGHT
Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.

WEDNESDAY
Sunny. 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 PM EDT 4/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
16 APR 2026

1 AM

68°

68°

Mostly Cloudy

88%
RAIN
***

0% Thunder
( 30% severe)

WSW 8

76%

60°

Low 62°

4 AM

65°

65°

Mostly Cloudy

WSW 8

84%

60°

High 80°

7 AM

63°

63°

Mostly Cloudy

24%
RAIN
.01–.1 in

0% Thunder
( 9% severe)

SSW 7

87%

59°

Mostly Cloudy

Chance of Rain

10 AM

69°

69°

Mostly Cloudy

SW 9

76%

61°

1 PM

75°

75°

Partly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 23% severe)

WSW 10

62%

61°

4 PM

79°

80°

Partly Cloudy

WSW 9

49%

58°

7 PM

74°

74°

Clear

8%

0% Thunder
( 17% severe)

SW 3

57%

58°

10 PM

65°

65°

Clear

S 2

75%

57°

Friday
17 APR 2026

1 AM

61°

62°

Clear

3%

0% Thunder
( 3% severe)

SSW 2

87%

57°

Low 58°

4 AM

60°

61°

Partly Cloudy

S 2

90%

57°

High 85°

7 AM

61°

62°

Partly Cloudy

6%

0% Thunder
( 14% severe)

S 3

90%

58°

Partly Cloudy

Chance of Rain

10 AM

73°

73°

Partly Cloudy

S 8

73%

64°

1 PM

81°

83°

Partly Cloudy

31%
RAIN
<.01 in

0% Thunder
( 36% severe)

S 12

58%

65°

4 PM

83°

84°

Partly Cloudy

S 13

53%

64°

7 PM

78°

80°

Partly Cloudy

37%
RAIN
***

0% Thunder
( 22% severe)

S 10

60%

63°

10 PM

74°

74°

Mostly Cloudy

S 10

64%

61°


MT. VERNON, IL extended weather forecast
Saturday 18 APR 2026	Sunday 19 APR 2026	Monday 20 APR 2026	Tuesday 21 APR 2026	Wednesday 22 APR 2026
Low 59°	Low 34°	Low 34°	Low 45°	Low 51°
High 65°	High 61°	High 68°	High 73°	High 72°

Overcast 88% Rain	Partly Cloudy 14% Rain	Clear 8% Rain	Mostly Cloudy 26% Rain	Overcast 44% Rain

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