Leland Grove, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Leland Grove, IL in one place.
Mostly cloudy. Low around 67, with temperatures rising to around 72 overnight. South wind around 3 mph.
Local Weather Overview
This forecast page for Leland Grove, 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: Aug 26, 2026 6:47 AM CDT.
The active forecast window currently covers Aug 26 to Sep 1, 2026 for Leland Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 26 to Sep 1, 2026
- Latest sync
- Aug 26, 2026 6:47 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Leland Grove
Monday looks like the warmest upcoming period in Leland Grove at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Sunday at about 9 to 13 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 26, 2026 6:47 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
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 89. West southwest wind 5 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 64. Northwest wind 2 to 9 mph. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 85. North northwest wind 3 to 8 mph.
Mostly clear, with a low around 61. North wind 1 to 7 mph.
Sunny, with a high near 84. Northeast wind 1 to 5 mph.
Mostly clear, with a low around 60. East southeast wind around 3 mph.
Mostly sunny, with a high near 85.
Partly cloudy, with a low around 66.
Mostly sunny, with a high near 90.
Mostly clear, with a low around 72.
Mostly sunny, with a high near 92.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 26
|
Mostly Cloudy
|
67°F |
3 mph
S
|
|
Wednesday
Aug 26
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
5 to 12 mph
WSW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
64°F |
2 to 9 mph
NW
|
|
Thursday
Aug 27
|
Sunny
|
85°F |
3 to 8 mph
NNW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
61°F |
1 to 7 mph
N
|
|
Friday
Aug 28
|
Sunny
|
84°F |
1 to 5 mph
NE
|
|
Friday Night
Aug 28
|
Mostly Clear
|
60°F |
3 mph
ESE
|
|
Saturday
Aug 29
|
Mostly Sunny
|
85°F |
2 to 6 mph
SSE
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
66°F |
5 to 9 mph
SSE
|
|
Sunday
Aug 30
|
Mostly Sunny
|
90°F |
9 to 13 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
72°F |
10 mph
S
|
|
Monday
Aug 31
|
Mostly Sunny
|
92°F |
7 to 10 mph
SSW
|
|
Monday Night
Aug 31
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
73°F |
6 mph
S
|
|
Tuesday
Sep 1
|
Slight Chance Showers And Thunderstorms
|
91°F |
6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Leland Grove.