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
2:55 PM CST DEC 23, 2025
Clear 50°F
Feels Like:	48°F
Dewpoint:	36°F
Rel. Hum.:	58%
Visibility:	10 miles
Wind:	NW at 5 mph
Pressure:	30.13 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 this evening, then becoming partly cloudy. Lows around 30. Northeast winds 5 to 10 mph.

WEDNESDAY
Mostly cloudy. A chance of drizzle in the afternoon. Highs in the upper 40s. Southeast winds 5 to 10 mph.

WEDNESDAY NIGHT
Cloudy. A chance of drizzle in the evening. Patchy fog. Not as cool with lows around 40. Southwest winds around 5 mph, becoming north around 5 mph after midnight.

CHRISTMAS DAY
Patchy fog in the morning. Cloudy. Highs in the upper 40s. Northeast winds 5 to 10 mph.

THURSDAY NIGHT
Cloudy. A chance of rain in the evening, then rain likely after midnight. Lows in the lower 40s. Temperature rising into the mid 40s after midnight. Southeast winds 5 to 10 mph. Chance of rain 60 percent.

FRIDAY THROUGH SATURDAY
Mostly cloudy. Highs in the upper 50s. Lows in the lower 40s.

SATURDAY NIGHT
Mostly cloudy. Cooler with lows in the upper 20s.

SUNDAY
Partly sunny in the morning, then clearing. Brisk and much cooler with highs in the upper 30s. Temperature falling into the mid 20s in the afternoon.

SUNDAY NIGHT THROUGH MONDAY NIGHT
Mostly clear. Lows around 10 above. Highs in the lower 20s. Wind chill values as low as 10 below.

TUESDAY
Mostly sunny. Highs around 30.

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 AM CST 12/23/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
23 DEC 2025

12 PM

48°

45°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

NW 6

68%

38°

High 49°

3 PM

48°

45°

Partly Cloudy

NW 6

65%

37°

Partly Cloudy

6 PM

40°

38°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NNW 2

82%

35°

9 PM

35°

33°

Partly Cloudy

N 1

85%

31°

Wednesday
24 DEC 2025

12 AM

32°

29°

Partly Cloudy

0%

0% Thunder
( 0% severe)

CALM

85%

28°

Low 28°

3 AM

30°

27°

Partly Cloudy

ENE 1

88%

27°

High 47°

6 AM

30°

26°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

E 3

88%

27°

Mostly Cloudy

Chance of Rain

9 AM

36°

30°

Mostly Cloudy

SE 7

82%

31°

12 PM

44°

39°

Mostly Cloudy

33%
RAIN
<.01 in

0% Thunder
( 0% severe)

SSE 8

65%

33°

3 PM

46°

42°

Mostly Cloudy

SSE 7

73%

38°

6 PM

46°

45°

Mostly Cloudy

31%
RAIN
.01–.1 in

0% Thunder
( 0% severe)

S 3

86%

42°

9 PM

46°

45°

Mostly Cloudy

SW 1

93%

44°

Thursday
25 DEC 2025

12 AM

45°

44°

Mostly Cloudy

4%

0% Thunder
( 0% severe)

NW 1

93%

43°

Low 36°

3 AM

43°

42°

Mostly Cloudy

N 1

93%

41°

High 46°

6 AM

41°

39°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

NNE 2

89%

38°

Mostly Cloudy

9 AM

41°

38°

Mostly Cloudy

ENE 5

89%

38°

12 PM

45°

41°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

E 7

76%

38°

3 PM

46°

42°

Mostly Cloudy

E 7

73%

38°

6 PM

42°

38°

Mostly Cloudy

E 7

82%

37°


LACON/MARSHALL CNTY, IL extended weather forecast
Friday 26 DEC 2025	Saturday 27 DEC 2025	Sunday 28 DEC 2025	Monday 29 DEC 2025	Tuesday 30 DEC 2025
Low 39°	Low 38°	Low 28°	Low 12°	Low 10°
High 52°	High 51°	High 33°	High 24°	High 31°

Overcast 24% Rain	Overcast 11% Rain	Partly Cloudy 21% Rain/Snow	Clear	Partly Cloudy 10% Snow

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