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
5:55 PM CDT AUG 26, 2025
Scattered Clouds 72°F
Feels Like:	72°F
Dewpoint:	48°F
Rel. Hum.:	43%
Visibility:	10 miles
Wind:	NW at 5 mph
Pressure:	30.22 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 2025 Hurricanes	LACON, IL 61540 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly clear. Lows in the upper 40s. Northwest winds around 5 mph, becoming southwest after midnight.

WEDNESDAY
Sunny in the morning, then becoming partly sunny. Highs in the upper 70s. Southwest winds 5 to 10 mph.

WEDNESDAY NIGHT
Partly cloudy. Not as cool with lows in the upper 50s. South winds around 5 mph.

THURSDAY
Mostly sunny. Highs in the lower 80s. West winds around 5 mph.

THURSDAY NIGHT
Mostly clear. Lows in the lower 50s. Northeast winds around 5 mph.

FRIDAY AND FRIDAY NIGHT
Mostly clear. Highs in the mid 70s. Lows around 50.

SATURDAY THROUGH SUNDAY
Partly cloudy. Highs in the upper 70s. Lows in the lower 50s.

SUNDAY NIGHT THROUGH TUESDAY
Mostly clear. Lows in the mid 50s. 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 AM CDT 8/26/2025

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)

Tuesday
26 AUG 2025

1 PM

70°

Partly Cloudy

0% Thunder
( 2% severe)

NW 7

42%

46°

High 72°

4 PM

71°

Partly Cloudy

NW 7

42%

47°

Partly Cloudy

7 PM

68°

Clear

0% Thunder
( 1% severe)

NNW 1

53%

50°

10 PM

57°

58°

Clear

CALM

75%

49°

Wednesday
27 AUG 2025

1 AM

54°

Clear

0% Thunder
( 1% severe)

CALM

80%

48°

Low 50°

4 AM

52°

Partly Cloudy

CALM

86%

48°

High 75°

7 AM

52°

Partly Cloudy

0% Thunder
( 1% severe)

CALM

86%

48°

Partly Cloudy

10 AM

68°

Partly Cloudy

SW 2

57%

52°

1 PM

73°

Partly Cloudy

0% Thunder
( 9% severe)

WSW 6

44%

50°

4 PM

73°

Mostly Cloudy

W 5

48%

52°

7 PM

70°

Partly Cloudy

0% Thunder
( 12% severe)

SW 2

57%

54°

10 PM

62°

63°

Mostly Cloudy

SSE 2

72%

53°

Thursday
28 AUG 2025

1 AM

61°

62°

Partly Cloudy

0% Thunder
( 7% severe)

S 3

75%

53°

Low 58°

4 AM

60°

Mostly Cloudy

SSW 5

78%

53°

High 78°

7 AM

60°

61°

Mostly Cloudy

0% Thunder
( 8% severe)

SW 3

78%

53°

Partly Cloudy

10 AM

70°

Partly Cloudy

W 5

63%

57°

1 PM

75°

Partly Cloudy

0% Thunder
( 22% severe)

W 6

55%

58°

4 PM

77°

79°

Partly Cloudy

WNW 6

52%

58°

7 PM

73°

Partly Cloudy

N 3

62%

59°


LACON/MARSHALL CNTY, IL extended weather forecast
Friday 29 AUG 2025	Saturday 30 AUG 2025	Sunday 31 AUG 2025	Monday 1 SEP 2025	Tuesday 2 SEP 2025
Low 55°	Low 54°	Low 56°	Low 56°	Low 58°
High 76°	High 80°	High 79°	High 79°	High 80°

Partly Cloudy 14% Rain	Partly Cloudy 18% Rain	Mostly Cloudy 27% Rain	Mostly Cloudy 25% Rain	Partly Cloudy 31% 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