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
12:15 PM CDT MAY 30, 2026
Clear 81°F
Feels Like:	80°F
Dewpoint:	46°F
Rel. Hum.:	29%
Visibility:	10 miles
Wind:	E at 10 mph
Pressure:	30.02 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
Partly sunny. Near steady temperature in the mid 80s. East winds 10 to 15 mph.

TONIGHT
Mostly cloudy. Lows in the upper 50s. East winds 10 to 15 mph.

SUNDAY
Partly sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.

SUNDAY NIGHT
Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

MONDAY
Mostly sunny. Highs in the mid 80s. East winds around 5 mph.

MONDAY NIGHT THROUGH WEDNESDAY NIGHT
Mostly clear. Lows in the upper 50s. Highs in the lower 80s.

THURSDAY AND THURSDAY NIGHT
Partly cloudy. Highs in the mid 80s. Lows in the mid 60s.

FRIDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.

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 5/30/2026

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)

Saturday
30 MAY 2026

1 PM

81°

80°

Mostly Cloudy

0% Thunder
( 1% severe)

E 9

34%

50°

High 84°

4 PM

83°

81°

Mostly Cloudy

E 10

31%

49°

Mostly Cloudy

7 PM

79°

Mostly Cloudy

0% Thunder
( 2% severe)

E 10

34%

48°

10 PM

70°

Mostly Cloudy

E 10

41%

45°

Sunday
31 MAY 2026

1 AM

65°

Mostly Cloudy

0% Thunder
( 2% severe)

E 10

45%

43°

Low 58°

4 AM

60°

59°

Mostly Cloudy

E 8

47%

40°

High 80°

7 AM

59°

58°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 3% severe)

ESE 7

51%

41°

Mostly Cloudy

10 AM

67°

Partly Cloudy

SE 7

45%

45°

1 PM

76°

78°

Mostly Cloudy

0% Thunder
( 10% severe)

SE 6

37%

48°

4 PM

80°

79°

Mostly Cloudy

SE 6

34%

49°

7 PM

78°

Mostly Cloudy

0% Thunder
( 6% severe)

SSE 3

36%

49°

10 PM

69°

Partly Cloudy

CALM

49%

49°

Monday
1 JUN 2026

1 AM

64°

66°

Partly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 7% severe)

CALM

60%

50°

Low 59°

4 AM

62°

63°

Partly Cloudy

CALM

65%

50°

High 82°

7 AM

62°

63°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 6% severe)

CALM

70%

52°

Partly Cloudy

10 AM

72°

Partly Cloudy

CALM

53%

54°

1 PM

80°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 11% severe)

ENE 5

39%

53°

4 PM

82°

81°

Partly Cloudy

NE 6

35%

52°

7 PM

79°

Partly Cloudy

NE 7

36%

50°


LACON/MARSHALL CNTY, IL extended weather forecast
Tuesday 2 JUN 2026	Wednesday 3 JUN 2026	Thursday 4 JUN 2026	Friday 5 JUN 2026	Saturday 6 JUN 2026
Low 55°	Low 50°	Low 54°	Low 59°	Low 61°
High 78°	High 79°	High 80°	High 80°	High 81°

Clear 6% Rain	Clear 6% Rain	Clear 16% Rain	Partly Cloudy 25% Rain	Overcast 42% Rain