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
1:15 AM CDT APR 3, 2026
Overcast 55°F
Feels Like:	52°F
Dewpoint:	50°F
Rel. Hum.:	83%
Visibility:	10 miles
Wind:	W at 12 mph, gusts to 21
Pressure:	29.87 inches
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

REST OF TONIGHT
Cloudy. Lows in the mid 40s. West winds 10 to 15 mph with gusts up to 25 mph.

FRIDAY
Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. West winds around 5 mph, becoming southeast in the afternoon. Chance of rain 30 percent.

FRIDAY NIGHT
Showers and thunderstorms. Lows in the lower 50s. Southeast winds 10 to 15 mph, becoming southwest after midnight. Chance of rain near 100 percent.

SATURDAY
Mostly cloudy. A chance of showers in the morning. Cooler with highs around 60. Temperature falling into the upper 40s in the afternoon. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 40 percent.

SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Much cooler with lows in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph.

SUNDAY
Mostly sunny. Highs in the lower 50s.

SUNDAY NIGHT
Mostly clear. Lows in the mid 30s.

MONDAY
Mostly sunny. Highs in the lower 50s.

MONDAY NIGHT
Mostly clear. Lows in the upper 20s.

TUESDAY
Mostly sunny. Highs around 50.

TUESDAY NIGHT AND WEDNESDAY
Mostly cloudy and breezy. Lows in the upper 30s. Highs in the upper 60s.

WEDNESDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly cloudy after midnight. Not as cool with lows in the lower 50s. Chance of rain 30 percent.

THURSDAY
Partly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 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 6:00 PM CST 4/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
3 APR 2026

12 AM

56°

53°

Mostly Cloudy

2%

0% Thunder
( 1% severe)

W 10

80%

50°

Low 45°

3 AM

49°

47°

Mostly Cloudy

W 5

83%

44°

High 72°

6 AM

46°

45°

Partly Cloudy

2%

0% Thunder
( 3% severe)

CALM

86%

42°

Mostly Cloudy

Chance of Rain

9 AM

52°

52°

Mostly Cloudy

NW 1

74%

44°

12 PM

62°

62°

Mostly Cloudy

47%
RAIN
.25–.5 in

0% Thunder
( 22% severe)

SE 5

65%

50°

3 PM

68°

68°

Mostly Cloudy

SSE 7

63%

55°

6 PM

66°

66°

Mostly Cloudy

80%
RAIN
***

0% Thunder
( 44% severe)

SE 7

73%

57°

9 PM

64°

64°

Mostly Cloudy

SSE 9

81%

58°

Saturday
4 APR 2026

12 AM

63°

62°

Mostly Cloudy

87%
RAIN
***

0% Thunder
( 29% severe)

S 9

81%

57°

Low 51°

3 AM

61°

60°

Mostly Cloudy

SW 9

84%

56°

High 59°

6 AM

56°

53°

Mostly Cloudy

37%
RAIN
>2 in

0% Thunder
( 2% severe)

WSW 10

83%

51°

Mostly Cloudy

Chance of Rain

9 AM

52°

48°

Mostly Cloudy

W 13

77%

45°

12 PM

52°

47°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 0% severe)

W 15

63%

40°

3 PM

51°

46°

Mostly Cloudy

W 16

54%

35°

6 PM

46°

40°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

W 14

56%

31°

9 PM

43°

36°

Partly Cloudy

W 13

60%

30°


LACON/MARSHALL CNTY, IL extended weather forecast
Sunday 5 APR 2026	Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026
Low 34°	Low 34°	Low 25°	Low 31°	Low 45°
High 51°	High 49°	High 45°	High 60°	High 61°

Partly Cloudy 15% Rain/Snow	Partly Cloudy 5% Rain	Clear 2% Rain/Snow	Mostly Cloudy 20% Rain	Overcast 41% Rain

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