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
9:35 PM CDT OCT 3, 2026
Clear 54°F
Feels Like:	54°F
Dewpoint:	48°F
Rel. Hum.:	80%
Visibility:	10 miles
Wind:	Calm
Pressure:	30.17 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 2026 Hurricanes	LACON, IL 61540 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Clear. Lows in the upper 40s. Southeast winds around 5 mph, becoming southwest.

SUNDAY
Sunny. Highs in the lower 70s. West winds 5 to 10 mph, becoming northwest in the afternoon.

SUNDAY NIGHT
Mostly clear. Lows in the mid 40s. North winds around 5 mph.

MONDAY
Sunny. Highs in the upper 60s. Northeast winds around 5 mph.

MONDAY NIGHT
Clear. Lows in the mid 40s. Light and variable winds, becoming southeast around 5 mph after midnight.

TUESDAY
Sunny. Highs in the lower 70s.

TUESDAY NIGHT THROUGH FRIDAY
Mostly clear. Lows in the lower 50s. Highs in the mid 70s.

FRIDAY NIGHT
Clear. Lows in the mid 50s.

SATURDAY
Sunny. Highs in the upper 70s.

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 9/30/2026

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)

Wednesday
30 SEP 2026

1 PM

67°

Mostly Cloudy

57%
RAIN
.5–1 in

0% Thunder
( 8% severe)

SSW 8

75%

59°

High 72°

4 PM

70°

Mostly Cloudy

S 6

73%

61°

Mostly Cloudy

Rain Likely

7 PM

71°

Mostly Cloudy

20%
RAIN
.01–.1 in

0% Thunder
( 10% severe)

SSE 3

71%

61°

10 PM

69°

Mostly Cloudy

CALM

78%

62°

Thursday
1 OCT 2026

1 AM

68°

Mostly Cloudy

23%
RAIN
.1–.25 in

0% Thunder
( 6% severe)

CALM

84%

63°

Low 65°

4 AM

68°

Mostly Cloudy

CALM

84%

63°

High 74°

7 AM

69°

Mostly Cloudy

73%
RAIN
***

0% Thunder
( 10% severe)

S 3

81%

63°

Mostly Cloudy

Rain

10 AM

71°

Mostly Cloudy

SSW 7

81%

65°

1 PM

72°

Mostly Cloudy

96%
RAIN
***

0% Thunder
( 16% severe)

SW 8

84%

67°

4 PM

71°

Mostly Cloudy

WNW 7

87%

67°

7 PM

69°

Mostly Cloudy

76%
RAIN
***

0% Thunder
( 11% severe)

N 6

87%

65°

10 PM

66°

Mostly Cloudy

N 6

90%

63°

Friday
2 OCT 2026

1 AM

63°

Mostly Cloudy

35%
RAIN
***

0% Thunder
( 5% severe)

N 6

90%

60°

Low 56°

4 AM

60°

59°

Mostly Cloudy

N 7

84%

55°

High 68°

7 AM

57°

56°

Partly Cloudy

0% Thunder
( 1% severe)

NA 7

83%

52°

Partly Cloudy

10 AM

61°

60°

Partly Cloudy

N 8

65%

49°

1 PM

66°

Partly Cloudy

0% Thunder
( 0% severe)

N 8

50%

47°

4 PM

66°

Clear

N 8

50%

47°

7 PM

60°

Clear

N 5

64%

48°


LACON/MARSHALL CNTY, IL extended weather forecast
Saturday 3 OCT 2026	Sunday 4 OCT 2026	Monday 5 OCT 2026	Tuesday 6 OCT 2026	Wednesday 7 OCT 2026
Low 44°	Low 48°	Low 45°	Low 41°	Low 46°
High 72°	High 71°	High 63°	High 65°	High 71°

Clear 10% Rain	Partly Cloudy 18% Rain	Clear 13% Rain	Clear 11% Rain	Partly Cloudy 20% 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