Lake, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lake, IL in one place.
Partly sunny, with a high near 81. South wind 0 to 10 mph.
Local Weather Overview
This forecast page for Lake, 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 28, 2026 7:20 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Lake, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 7:20 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake
Tuesday looks like the warmest upcoming period in Lake at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 7:20 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 66. South southeast wind 5 to 10 mph.
Mostly sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 73.
Mostly sunny, with a high near 92.
Partly cloudy, with a low around 72.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Partly Sunny
|
81°F |
0 to 10 mph
S
|
|
Saturday Night
Aug 29
|
Mostly Cloudy
|
66°F |
5 to 10 mph
SSE
|
|
Sunday
Aug 30
|
Mostly Sunny
|
87°F |
10 to 15 mph
SSW
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
69°F |
5 to 10 mph
S
|
|
Monday
Aug 31
|
Mostly Sunny
|
90°F |
5 to 10 mph
SSW
|
|
Monday Night
Aug 31
|
Partly Cloudy
|
73°F |
5 mph
SSW
|
|
Tuesday
Sep 1
|
Mostly Sunny
|
92°F |
5 mph
SW
|
|
Tuesday Night
Sep 1
|
Partly Cloudy
|
72°F |
0 to 5 mph
SSW
|
|
Wednesday
Sep 2
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
SW
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
SW
|
|
Thursday
Sep 3
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
89°F |
0 to 5 mph
WSW
|
|
Thursday Night
Sep 3
|
Slight Chance Showers And Thunderstorms
|
69°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake.