Lake, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Lake, IL in one place.
Rain showers likely before 1pm, then showers and thunderstorms. Mostly cloudy. High near 64, with temperatures falling to around 62 in the afternoon. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
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: Oct 15, 2026 12:42 AM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Lake, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 12:42 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake
Wednesday looks like the warmest upcoming period in Lake at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 20 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 12:42 AM CDT
- Coverage
- 7 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
Showers and thunderstorms. Mostly cloudy. Low around 51, with temperatures rising to around 54 overnight. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely. Mostly cloudy, with a high near 55. Northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Rain showers likely before 1am. Mostly cloudy, with a low around 38. North northwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunny, with a high near 58.
Clear, with a low around 35.
Sunny, with a high near 65.
Mostly clear, with a low around 39.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 43.
Mostly sunny, with a high near 72.
Mostly clear, with a low around 45.
Sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
64°F |
5 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
51°F |
5 to 15 mph
SW
|
|
Friday
Oct 16
|
Rain Showers Likely
|
55°F |
20 mph
NW
|
|
Friday Night
Oct 16
|
Rain Showers Likely
|
38°F |
5 to 20 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
58°F |
5 mph
NW
|
|
Saturday Night
Oct 17
|
Clear
|
35°F |
0 to 5 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
5 to 10 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
39°F |
0 to 5 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
70°F |
0 to 5 mph
SSW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
43°F |
0 mph
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
72°F |
0 mph
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
45°F |
0 mph
|
|
Wednesday
Oct 21
|
Sunny
|
75°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake.