La Grange, IL Weather Forecast
Local 7-day forecast
Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for La Grange, IL in one place.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Southeast wind 0 to 3 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for La Grange, 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: Jul 14, 2026 9:19 PM CDT.
The active forecast window currently covers Jul 16 to Jul 21, 2026 for La Grange, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 9:19 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in La Grange
Saturday looks like the warmest upcoming period in La Grange at 93 degrees F.
Monday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Saturday at about 7 to 10 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 9:19 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- 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 before 7pm. Mostly clear, with a low around 73. South wind around 2 mph. Chance of precipitation is 30%.
Showers and thunderstorms likely after 7am. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Sunny, with a high near 93.
Mostly clear, with a low around 74.
Sunny, with a high near 92.
Mostly clear, with a low around 73.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Sunny, with a high near 89. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Sunny then Chance Showers And Thunderstorms
|
91°F |
0 to 3 mph
SE
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
2 mph
S
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
90°F |
2 to 7 mph
SW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
74°F |
6 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
93°F |
7 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
74°F |
8 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
92°F |
7 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
73°F |
6 mph
SW
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
6 to 10 mph
SW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
72°F |
5 to 8 mph
W
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Sunny
|
89°F |
6 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around La Grange.