LACON, IL 61540 Weather Forecast & Current Conditions

Local Weather
- Local weather by ZIP or City
- Local area snow depth
- CURRENT WEATHER MAPS
- - Fronts & Pressure Centers
- - Current U.S. Temperatures
- - Northwest U.S.
- - Northeast U.S.
- - Mid-Atlantic U.S.
- - Midwest U.S.
- - Central Plains U.S.
- - Southeast U.S.
- - Southern Plains U.S.
- - Southwest U.S.
- - Alaska
10 Day Forecasts
Other Forecasts
- Snowstorm Forecast
- U.S. 6-hourly Snowfall Forecast
- 3 DAY NAM MODEL FORECASTS
- - Clouds & Precipitation
- - Temperature
- 7 DAY NWS FORECASTS
- - Weather Type
- - Precip. Probability
- - High Temperatures
- - Low Temperatures
- - Cloud Cover
- - Wind
- - Relative Humidity
- - Dewpoint
- - Snowfall
- SEASONAL FORECASTS
- - Temperature
- - Precipitation
Severe Weather
Radar
- U.S. RADAR (NWS interactive)
- U.S. RADAR (by state)
Satellite

61540 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
LACON/MARSHALL CNTY, IL Current Weather
2:35 PM CDT JUN 27, 2026
Overcast 77°F
Feels Like:	79°F
Dewpoint:	66°F
Rel. Hum.:	69%
Visibility:	10 miles
Wind:	E at 8 mph
Pressure:	29.92 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Regional Weather Maps

(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
Mostly cloudy. Near steady temperature in the mid 70s. East winds 5 to 10 mph.

TONIGHT
Mostly cloudy. Lows in the mid 60s. East winds 5 to 10 mph.

SUNDAY
Partly sunny. Humid with highs in the upper 80s. Southeast winds 10 to 15 mph.

SUNDAY NIGHT
Partly cloudy. Humid with lows in the mid 70s. South winds 10 to 15 mph.

MONDAY
Mostly sunny. Humid with highs in the lower 90s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 104.

MONDAY NIGHT AND TUESDAY
Mostly clear. Lows in the mid 70s. Highs in the lower 90s.

TUESDAY NIGHT
Clear. Lows in the mid 70s.

WEDNESDAY AND WEDNESDAY NIGHT
Mostly clear. Highs in the mid 90s. Lows in the mid 70s.

THURSDAY
Sunny. A chance of showers in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100.

THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.

FRIDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 100.

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 6/27/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
27 JUN 2026

1 PM

76°

78°

Mostly Cloudy

12%
RAIN
.01–.1 in

0% Thunder
( 15% severe)

E 7

64%

63°

High 80°

4 PM

79°

81°

Mostly Cloudy

E 7

60%

64°

Mostly Cloudy

7 PM

78°

80°

Mostly Cloudy

2%

0% Thunder
( 7% severe)

E 7

62%

64°

10 PM

72°

72°

Mostly Cloudy

E 6

76%

64°

Sunday
28 JUN 2026

1 AM

69°

69°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 8% severe)

E 3

81%

63°

Low 65°

4 AM

67°

67°

Partly Cloudy

ENE 5

87%

63°

High 88°

7 AM

69°

69°

Partly Cloudy

6%

0% Thunder
( 18% severe)

E 6

87%

65°

Partly Cloudy

10 AM

77°

79°

Mostly Cloudy

ESE 8

76%

69°

1 PM

84°

88°

Partly Cloudy

6%

0% Thunder
( 22% severe)

SE 10

63%

70°

4 PM

87°

93°

Partly Cloudy

SSE 12

61%

72°

7 PM

87°

93°

Partly Cloudy

0%

0% Thunder
( 17% severe)

SSE 10

61%

72°

10 PM

81°

85°

Partly Cloudy

SSE 9

74%

72°

Monday
29 JUN 2026

1 AM

79°

82°

Partly Cloudy

0%

0% Thunder
( 10% severe)

S 8

77%

71°

Low 75°

4 AM

77°

79°

Mostly Cloudy

S 8

82%

71°

High 92°

7 AM

77°

79°

Partly Cloudy

0%

0% Thunder
( 11% severe)

S 9

82%

71°

Partly Cloudy

10 AM

85°

91°

Partly Cloudy

SSW 10

65%

72°

1 PM

90°

98°

Partly Cloudy

0%

0% Thunder
( 8% severe)

SSW 12

56%

72°

4 PM

92°

101°

Partly Cloudy

S 13

54%

73°

7 PM

90°

98°

Partly Cloudy

S 12

56%

72°


LACON/MARSHALL CNTY, IL extended weather forecast
Tuesday 30 JUN 2026	Wednesday 1 JUL 2026	Thursday 2 JUL 2026	Friday 3 JUL 2026	Saturday 4 JUL 2026
Low 74°	Low 74°	Low 73°	Low 71°	Low 69°
High 96°	High 95°	High 93°	High 91°	High 89°

Clear 13% Rain	Partly Cloudy 35% Rain	Partly Cloudy 39% Rain	Partly Cloudy 47% Rain	Partly Cloudy 41% Rain

WEATHER SELECT BOX EXAMPLES:

for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:

Lacon, IL
Lacon, IL snow
Lacon, IL radar
IL map

-or-
-or-
-or-

61540
61540 snow
61540 radar

-or-
-or-

IL
IL snow

Copyright © 2024 WeatherStreet.com

Put our free WeatherStreet weather lookup on your web page.

Terms & Conditions
This is not clickable - please e-mail us separately

This is not clickable - please e-mail us separately