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
12:35 PM CDT AUG 7, 2026
Scattered Clouds 82°F
Feels Like:	85°F
Dewpoint:	68°F
Rel. Hum.:	63%
Visibility:	10 miles
Wind:	S at 5 mph
Pressure:	30.04 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 2026 Hurricanes	LACON, IL 61540 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly sunny. Highs in the mid 80s. South winds around 5 mph.

TONIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 20 percent.

SATURDAY
Sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 20 percent.

SATURDAY NIGHT
Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Northwest winds around 5 mph, becoming southeast after midnight. Chance of rain 40 percent.

SUNDAY
Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 50 percent.

SUNDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.

MONDAY
Partly sunny. Highs in the upper 80s. Heat index values up to 100 in the afternoon.

MONDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.

TUESDAY
A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 80s. Chance of rain 60 percent.

TUESDAY NIGHT
A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 60s. Chance of rain 60 percent.

WEDNESDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.

WEDNESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 50 percent.

THURSDAY
Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. 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 8/ 7/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
7 AUG 2026

1 PM

81°

84°

Partly Cloudy

1%

0% Thunder
( 21% severe)

CALM

67%

69°

High 85°

4 PM

84°

88°

Partly Cloudy

SW 5

61%

69°

Partly Cloudy

7 PM

82°

86°

Partly Cloudy

10%
RAIN
.1–.25 in

0% Thunder
( 11% severe)

CALM

67%

70°

10 PM

74°

74°

Partly Cloudy

CALM

84%

69°

Saturday
8 AUG 2026

1 AM

72°

72°

Partly Cloudy

22%
RAIN
<.01 in

0% Thunder
( 15% severe)

SW 2

90%

69°

Low 68°

4 AM

71°

71°

Partly Cloudy

SW 3

90%

68°

High 83°

7 AM

70°

70°

Partly Cloudy

7%

0% Thunder
( 6% severe)

W 3

93%

68°

Clear

10 AM

77°

79°

Clear

NNW 5

71%

67°

1 PM

81°

83°

Clear

0%

0% Thunder
( 7% severe)

NNW 3

56%

64°

4 PM

83°

84°

Clear

NW 2

49%

62°

7 PM

80°

82°

Clear

1%

0% Thunder
( 6% severe)

CALM

60%

65°

10 PM

71°

71°

Partly Cloudy

CALM

79%

64°

Sunday
9 AUG 2026

1 AM

68°

68°

Partly Cloudy

19%
RAIN
.1–.25 in

0% Thunder
( 13% severe)

CALM

84%

63°

Low 64°

4 AM

67°

67°

Partly Cloudy

CALM

90%

64°

High 86°

7 AM

68°

68°

Partly Cloudy

57%
RAIN
>2 in

0% Thunder
( 23% severe)

SSE 5

90%

65°

Mostly Cloudy

Rain Likely

10 AM

76°

77°

Mostly Cloudy

S 8

76%

68°

1 PM

82°

86°

Mostly Cloudy

29%
RAIN
***

0% Thunder
( 27% severe)

S 9

69%

71°

4 PM

85°

91°

Mostly Cloudy

SSW 9

65%

72°

7 PM

82°

87°

Partly Cloudy

SSW 6

72%

72°


LACON/MARSHALL CNTY, IL extended weather forecast
Monday 10 AUG 2026	Tuesday 11 AUG 2026	Wednesday 12 AUG 2026	Thursday 13 AUG 2026	Friday 14 AUG 2026
Low 74°	Low 72°	Low 65°	Low 63°	Low 60°
High 91°	High 84°	High 86°	High 83°	High 83°

Partly Cloudy 42% Rain	Mostly Cloudy 56% Rain	Mostly Cloudy 42% Rain	Partly Cloudy 25% Rain	Partly Cloudy 26% 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 © 2026 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