Lacon, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Lacon, IL in one place.
Mostly cloudy, with a low around 59. East northeast wind around 3 mph.
Local Weather Overview
This forecast page for Lacon, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 1, 2026 2:48 AM CDT.
The active forecast window currently covers Jun 1 to Jun 7, 2026 for Lacon, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 2:48 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lacon
Sunday looks like the warmest upcoming period in Lacon at 89 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Friday at about 8 to 13 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 2:48 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly sunny, with a high near 82. East northeast wind 3 to 10 mph, with gusts as high as 17 mph.
Mostly clear, with a low around 55. Northeast wind 3 to 10 mph, with gusts as high as 18 mph.
Sunny, with a high near 83. Northeast wind 3 to 9 mph, with gusts as high as 16 mph.
Mostly clear, with a low around 54. East wind 1 to 7 mph.
Sunny, with a high near 84. Southeast wind 1 to 5 mph.
Mostly clear, with a low around 57. South wind around 3 mph.
Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 1
|
Mostly Cloudy
|
59°F |
3 mph
ENE
|
|
Monday
Jun 1
|
Partly Sunny
|
82°F |
3 to 10 mph
ENE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
55°F |
3 to 10 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
83°F |
3 to 9 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
54°F |
1 to 7 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
84°F |
1 to 5 mph
SE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
57°F |
3 mph
S
|
|
Thursday
Jun 4
|
Mostly Sunny
|
88°F |
3 to 12 mph
SSW
|
|
Thursday Night
Jun 4
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
63°F |
6 to 10 mph
SSW
|
|
Friday
Jun 5
|
Slight Chance Showers And Thunderstorms
|
87°F |
8 to 13 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
65°F |
6 to 10 mph
SSW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
88°F |
7 to 10 mph
SSW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
66°F |
5 to 8 mph
SSW
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
89°F |
5 to 9 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lacon.
