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
2:15 PM CST NOV 30, 2025
Overcast 27°F
Feels Like:	18°F
Dewpoint:	19°F
Rel. Hum.:	69%
Visibility:	10 miles
Wind:	W at 9 mph, gusts to 18
Pressure:	30.34 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

THIS AFTERNOON
Cloudy with scattered flurries. Near steady temperature in the upper 20s. West winds 10 to 15 mph.

TONIGHT
Mostly cloudy. Lows around 14. Northwest winds 5 to 10 mph, becoming northeast after midnight.

MONDAY
Snow in the afternoon. Snow accumulation of 1 to 3 inches. Highs in the upper 20s. Southeast winds around 5 mph. Chance of snow near 100 percent.

MONDAY NIGHT
Snow in the evening. Additional light snow accumulation. Lows around 14. Light and variable winds, becoming northwest around 5 mph after midnight. Chance of snow near 100 percent.

TUESDAY
Partly sunny. Highs in the mid 20s. West winds around 5 mph.

TUESDAY NIGHT AND WEDNESDAY
Mostly cloudy. Lows around 20. Highs in the lower 30s.

WEDNESDAY NIGHT
Mostly cloudy. Much colder with lows around zero. Wind chill values as low as 10 below after midnight.

THURSDAY
Sunny. Much cooler with highs around 10 above. Wind chill values as low as 10 below in the morning.

THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows 5 below to zero. Temperature rising to around 5 above after midnight. Wind chill values as low as 10 below.

FRIDAY
Mostly cloudy. A chance of snow in the afternoon. Not as cool with highs in the mid 20s. Chance of snow 30 percent. Wind chill values as low as 5 below in the morning.

FRIDAY NIGHT AND SATURDAY
Mostly cloudy. Lows 15 to 20. 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 11/30/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
30 NOV 2025

12 PM

26°

15°

Mostly Cloudy

14%
SNOW
<.1 in

0% Thunder
( 0% severe)

WNW 13

80%

21°

High 28°

3 PM

27°

18°

Mostly Cloudy

WNW 9

76%

21°

Mostly Cloudy

6 PM

24°

17°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

NW 6

87%

21°

9 PM

21°

17°

Mostly Cloudy

NW 1

87%

18°

Monday
1 DEC 2025

12 AM

17°

12°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

CALM

91%

15°

Low 13°

3 AM

15°

10°

Mostly Cloudy

CALM

90%

13°

High 26°

6 AM

15°

10°

Mostly Cloudy

19%
RAIN/SNOW
<.05 in

0% Thunder
( 0% severe)

CALM

90%

13°

Overcast

Snow Likely

9 AM

20°

16°

Mostly Cloudy

CALM

87%

17°

12 PM

25°

21°

Overcast

82%
SNOW
***

0% Thunder
( 0% severe)

SE 2

79%

20°

3 PM

26°

23°

Overcast

ESE 1

83%

22°

6 PM

24°

20°

Overcast

80%
SNOW
***

0% Thunder
( 0% severe)

CALM

91%

22°

9 PM

22°

18°

Mostly Cloudy

CALM

95%

21°

Tuesday
2 DEC 2025

12 AM

21°

17°

Mostly Cloudy

11%
SNOW
.1–1 in

0% Thunder
( 0% severe)

WNW 1

91%

19°

Low 12°

3 AM

17°

12°

Mostly Cloudy

WNW 1

95%

16°

High 23°

6 AM

13°

8°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

WNW 2

95%

12°

Mostly Cloudy

9 AM

17°

12°

Mostly Cloudy

W 2

86%

14°

12 PM

21°

15°

Mostly Cloudy

9%

0% Thunder
( 0% severe)

WSW 5

79%

16°

3 PM

22°

16°

Mostly Cloudy

SW 5

75%

16°

6 PM

20°

15°

Mostly Cloudy

SSW 3

82%

16°


LACON/MARSHALL CNTY, IL extended weather forecast
Wednesday 3 DEC 2025	Thursday 4 DEC 2025	Friday 5 DEC 2025	Saturday 6 DEC 2025	Sunday 7 DEC 2025
Low 19°	Low 5°	Low 1°	Low 19°	Low 25°
High 32°	High 14°	High 26°	High 33°	High 32°

Overcast 35% Snow	Mostly Cloudy 30% Snow	Overcast 34% Snow	Overcast 40% Snow	Overcast 52% Snow

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