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
10:35 PM CDT OCT 31, 2026
Overcast 55°F
Feels Like:	55°F
Dewpoint:	52°F
Rel. Hum.:	90%
Visibility:	10 miles
Wind:	NE at 3 mph
Pressure:
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Weather Map

(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

REST OF TONIGHT
Cloudy with a 20 percent chance of rain. Near steady temperature in the mid 50s. East winds around 5 mph.

SUNDAY
Mostly cloudy with isolated showers. Highs in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

SUNDAY NIGHT
Mostly cloudy. Isolated showers in the evening. Lows in the lower 50s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

MONDAY
Mostly cloudy. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph.

MONDAY NIGHT
Cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 50s. South winds 15 to 20 mph. Chance of rain 70 percent.

TUESDAY
Showers. Highs in the lower 70s. Chance of rain 80 percent.

TUESDAY NIGHT
Showers likely, mainly in the evening. Lows in the lower 50s. Chance of rain 60 percent.

WEDNESDAY
Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.

WEDNESDAY NIGHT
Mostly cloudy. Lows in the mid 40s.

THURSDAY
Mostly sunny. Highs in the mid 60s.

THURSDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 30 percent.

FRIDAY THROUGH SATURDAY
Mostly cloudy. Highs in the mid 60s. Lows in the lower 40s.

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 6:00 PM CST 10/31/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
1 NOV 2026

12 AM

56°

56°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 3% severe)

CALM

72%

47°

Low 54°

3 AM

56°

56°

Mostly Cloudy

CALM

69%

46°

High 67°

6 AM

55°

55°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 2% severe)

CALM

77%

48°

Mostly Cloudy

9 AM

61°

62°

Mostly Cloudy

SE 3

72%

52°

12 PM

66°

66°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 1% severe)

SSE 6

65%

54°

3 PM

66°

66°

Mostly Cloudy

SE 7

61%

52°

6 PM

61°

61°

Mostly Cloudy

5%

0% Thunder
( 0% severe)

SE 6

72%

52°

9 PM

58°

57°

Mostly Cloudy

SSE 6

77%

51°

Monday
2 NOV 2026

12 AM

56°

55°

Mostly Cloudy

3%

0% Thunder
( 1% severe)

SSE 5

83%

51°

Low 51°

3 AM

55°

54°

Mostly Cloudy

SSE 5

86%

51°

High 68°

6 AM

55°

54°

Mostly Cloudy

8%

0% Thunder
( 2% severe)

SSE 6

90%

52°

Mostly Cloudy

9 AM

60°

59°

Mostly Cloudy

SSE 8

81%

54°

12 PM

65°

65°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 1% severe)

SSE 10

73%

56°

3 PM

67°

67°

Mostly Cloudy

SSE 10

68%

56°

6 PM

64°

63°

Mostly Cloudy

28%
RAIN
<.01 in

0% Thunder
( 6% severe)

SSE 10

78%

57°

9 PM

63°

62°

Mostly Cloudy

S 10

81%

57°


LACON/MARSHALL CNTY, IL extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 51°	Low 58°	Low 46°	Low 45°	Low 42°
High 66°	High 70°	High 61°	High 62°	High 63°

Overcast 26% Rain	Overcast 89% Rain	Mostly Cloudy 43% Rain	Mostly Cloudy 17% Rain	Clear 15% Rain

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