LACON, IL 61540 Weather Forecast & Current Conditions

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61540 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
LACON/MARSHALL CNTY, IL Current Weather
5:15 PM CDT SEP 5, 2026
Broken Clouds 88°F
Feels Like:	96°F
Dewpoint:	73°F
Rel. Hum.:	61%
Visibility:	10 miles
Wind:	ENE at 8 mph
Pressure:	29.93 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)

61540 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	LACON, IL 61540 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy this evening, then becoming mostly cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph.

SUNDAY
Mostly sunny. Highs in the lower 80s. East winds 5 to 10 mph.

SUNDAY NIGHT
Mostly clear. Lows around 60. East winds 5 to 10 mph.

LABOR DAY
Sunny. Highs in the lower 80s. East winds 5 to 10 mph.

MONDAY NIGHT
Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph.

TUESDAY
Mostly sunny. Highs around 90.

TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the lower 70s.

WEDNESDAY AND WEDNESDAY NIGHT
Partly cloudy. Highs around 90. Lows in the mid 60s.

THURSDAY AND THURSDAY NIGHT
Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.

FRIDAY THROUGH SATURDAY
Mostly clear. Highs in the mid 80s. Lows in the lower 60s.

61540 WEATHER SATELLITE LOOPS

Visible Weather Satellite
LACON, IL 61540

Infrared Weather Satellite
LACON, IL 61540

61540 WEATHER RADAR LOOP

NEXRAD Weather Radar
LACON, IL 61540

MOS COMPUTER WEATHER FORECAST

LACON/MARSHALL CNTY, IL 3 hourly weather forecast

weather forecast created 7:00 AM CDT 9/ 5/2026

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)

Saturday
5 SEP 2026

1 PM

87°

93°

Partly Cloudy

0% Thunder
( 9% severe)

N 7

61%

72°

High 89°

4 PM

88°

94°

Partly Cloudy

NNE 8

57%

71°

Partly Cloudy

7 PM

81°

84°

Partly Cloudy

0% Thunder
( 5% severe)

NE 8

67%

69°

10 PM

73°

Partly Cloudy

ENE 8

81%

67°

Sunday
6 SEP 2026

1 AM

69°

Partly Cloudy

0% Thunder
( 2% severe)

NE 5

87%

65°

Low 64°

4 AM

67°

Partly Cloudy

NE 5

93%

65°

High 81°

7 AM

66°

Partly Cloudy

0% Thunder
( 1% severe)

ENE 5

93%

64°

Partly Cloudy

10 AM

75°

Clear

E 7

64%

62°

1 PM

79°

80°

Partly Cloudy

0% Thunder
( 2% severe)

E 8

50%

59°

4 PM

80°

81°

Partly Cloudy

ENE 8

47%

58°

7 PM

75°

Partly Cloudy

0% Thunder
( 1% severe)

E 7

54%

57°

10 PM

68°

Clear

E 6

68%

57°

Monday
7 SEP 2026

1 AM

64°

66°

Partly Cloudy

0% Thunder
( 1% severe)

E 2

81%

58°

Low 59°

4 AM

61°

62°

Partly Cloudy

CALM

90%

58°

High 81°

7 AM

60°

61°

Partly Cloudy

0% Thunder
( 1% severe)

CALM

93%

58°

Partly Cloudy

10 AM

73°

Partly Cloudy

ESE 6

59%

58°

1 PM

79°

80°

Partly Cloudy

0% Thunder
( 1% severe)

ESE 7

44%

55°

4 PM

81°

Partly Cloudy

E 7

41%

55°

7 PM

76°

78°

Partly Cloudy

E 5

52%

57°


LACON/MARSHALL CNTY, IL extended weather forecast
Tuesday 8 SEP 2026	Wednesday 9 SEP 2026	Thursday 10 SEP 2026	Friday 11 SEP 2026	Saturday 12 SEP 2026
Low 60°	Low 65°	Low 56°	Low 57°	Low 55°
High 90°	High 88°	High 71°	High 77°	High 80°

Clear 11% Rain	Mostly Cloudy 39% Rain	Mostly Cloudy 46% Rain	Mostly Cloudy 33% Rain	Partly Cloudy 22% Rain

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LACON, IL 61540 Weather Forecast & Current Conditions

LACON/MARSHALL CNTY, IL Current Weather

LACON, IL 61540 Weather Forecast

LACON/MARSHALL CNTY, IL 3 hourly weather forecast

LACON/MARSHALL CNTY, IL extended weather forecast

LACON/MARSHALL CNTY, IL
Current Weather

LACON, IL 61540
Weather Forecast