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
2:35 AM CDT JUL 12, 2025
Clear 68°F
Feels Like:	68°F
Dewpoint:	66°F
Rel. Hum.:	93%
Visibility:	10 miles
Wind:	Calm
Pressure:	29.82 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
Showers with a chance of thunderstorms. Near steady temperature in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 80 percent.

SATURDAY
Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s. West winds 5 to 10 mph.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. Northwest winds 5 to 10 mph.

SUNDAY
Mostly sunny. Highs in the mid 80s. West winds around 5 mph.

SUNDAY NIGHT
Mostly clear. Lows in the lower 60s. Southwest winds around 5 mph.

MONDAY
Sunny. Highs in the upper 80s.

MONDAY NIGHT
Partly cloudy. Lows in the upper 60s.

TUESDAY AND TUESDAY NIGHT
Mostly cloudy. A chance of showers. Highs in the upper 80s. Lows around 70. Chance of rain 40 percent.

WEDNESDAY
Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 80s. Chance of rain 60 percent.

WEDNESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

THURSDAY AND THURSDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Lows in the mid 60s. Chance of rain 40 percent.

FRIDAY
Mostly sunny. Highs in the lower 80s.

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 7/11/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
12 JUL 2025

1 AM

72°

72°

Mostly Cloudy

53%
RAIN
***

0% Thunder
( 27% severe)

SW 6

87%

68°

Low 70°

4 AM

71°

71°

Mostly Cloudy

SSW 6

90%

68°

High 83°

7 AM

72°

72°

Mostly Cloudy

26%
RAIN
1–2 in

0% Thunder
( 18% severe)

SW 6

90%

69°

Mostly Cloudy

Chance of Rain

10 AM

75°

75°

Mostly Cloudy

WSW 8

82%

69°

1 PM

79°

82°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 19% severe)

W 8

72%

69°

4 PM

82°

85°

Partly Cloudy

WNW 8

63%

68°

7 PM

79°

81°

Partly Cloudy

3%

0% Thunder
( 5% severe)

WNW 6

69%

68°

10 PM

71°

71°

Clear

NW 3

84%

66°

Sunday
13 JUL 2025

1 AM

67°

67°

Partly Cloudy

1%

0% Thunder
( 1% severe)

NW 1

87%

63°

Low 63°

4 AM

65°

65°

Partly Cloudy

NW 1

90%

62°

High 83°

7 AM

66°

66°

Partly Cloudy

3%

0% Thunder
( 2% severe)

CALM

87%

62°

Partly Cloudy

10 AM

76°

78°

Partly Cloudy

W 2

64%

63°

1 PM

81°

82°

Partly Cloudy

4%

0% Thunder
( 5% severe)

W 3

49%

60°

4 PM

82°

82°

Partly Cloudy

W 3

47%

60°

7 PM

78°

80°

Partly Cloudy

1%

0% Thunder
( 6% severe)

W 1

58%

62°

10 PM

69°

69°

Partly Cloudy

CALM

78%

62°


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 65°	Low 62°	Low 70°	Low 68°	Low 65°
High 84°	High 90°	High 88°	High 85°	High 82°

Partly Cloudy 17% Rain	Partly Cloudy 9% Rain	Mostly Cloudy 59% Rain	Overcast 53% Rain	Overcast 58% Rain

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