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
4:55 AM CDT APR 10, 2026
Overcast 50°F
Feels Like:	50°F
Dewpoint:	48°F
Rel. Hum.:	93%
Visibility:	10 miles
Wind:	Calm
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 2025 Hurricanes	LACON, IL 61540 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Cloudy with a slight chance of showers and thunderstorms this morning, then partly sunny this afternoon. Cooler with highs in the lower 60s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.

TONIGHT
Mostly clear. Cooler with lows in the upper 30s. North winds 5 to 10 mph, becoming east after midnight.

SATURDAY
Mostly sunny in the morning, then becoming mostly cloudy. Highs in the lower 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph.

SATURDAY NIGHT
Mostly cloudy. Not as cool with lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph.

SUNDAY
Mostly cloudy. A chance of showers in the afternoon. Breezy and not as cool with highs in the upper 70s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent.

SUNDAY NIGHT
Mostly cloudy with a chance of showers. Breezy with lows in the lower 60s. Chance of rain 50 percent.

MONDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 80s.

MONDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40 percent.

TUESDAY AND TUESDAY NIGHT
Showers likely with a chance of thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 70 percent.

WEDNESDAY
Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.

WEDNESDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 40 percent.

THURSDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

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 PM CDT 4/ 9/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
10 APR 2026

1 AM

56°

55°

Mostly Cloudy

95%
RAIN
***

0% Thunder
( 24% severe)

E 6

69%

46°

Low 51°

4 AM

53°

51°

Mostly Cloudy

W 6

83%

48°

High 61°

7 AM

52°

50°

Mostly Cloudy

34%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

NNW 7

83%

47°

Mostly Cloudy

Chance of Rain

10 AM

52°

49°

Mostly Cloudy

N 9

77%

45°

1 PM

55°

52°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

N 9

64%

43°

4 PM

58°

57°

Mostly Cloudy

N 7

53%

41°

7 PM

54°

53°

Partly Cloudy

0%

0% Thunder
( 0% severe)

N 5

57%

39°

10 PM

48°

47°

Partly Cloudy

NE 2

71%

39°

Saturday
11 APR 2026

1 AM

43°

41°

Partly Cloudy

2%

0% Thunder
( 1% severe)

ENE 3

79%

37°

Low 38°

4 AM

40°

38°

Partly Cloudy

E 2

82%

35°

High 63°

7 AM

40°

37°

Partly Cloudy

7%

0% Thunder
( 1% severe)

E 5

79%

34°

Mostly Cloudy

10 AM

50°

47°

Mostly Cloudy

ESE 8

58%

36°

1 PM

56°

54°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 5% severe)

ESE 9

51%

38°

4 PM

59°

57°

Mostly Cloudy

SE 9

51%

41°

7 PM

58°

56°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 7% severe)

SE 8

60%

44°

10 PM

57°

55°

Mostly Cloudy

SSE 8

69%

47°


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 37°	Low 54°	Low 58°	Low 59°	Low 59°
High 59°	High 72°	High 76°	High 75°	High 70°

Mostly Cloudy 41% Rain	Overcast 56% Rain	Overcast 43% Rain	Overcast 38% Rain	Overcast 57% Rain

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