Lake, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lake, IL in one place.
Sunny, with a high near 93. Heat index values as high as 99. West northwest wind 0 to 5 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: Jul 13, 2026 11:10 PM CDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Lake, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 13, 2026 11:10 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake
Wednesday looks like the warmest upcoming period in Lake at 94 degrees F.
Sunday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Friday at about 0 to 10 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 11:10 PM 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
Mostly clear, with a low around 72. Heat index values as high as 97. West southwest wind around 5 mph.
Sunny, with a high near 94. Heat index values as high as 101. West wind around 5 mph, with gusts as high as 15 mph.
Mostly clear, with a low around 70. West northwest wind 0 to 5 mph.
Sunny, with a high near 93.
Mostly clear, with a low around 70.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 92.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 91.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
A chance of showers and thunderstorms. Sunny, with a high near 86.
A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
93°F |
0 to 5 mph
WNW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
72°F |
5 mph
WSW
|
|
Wednesday
Jul 15
|
Sunny
|
94°F |
5 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
0 to 5 mph
WNW
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
0 to 5 mph
WNW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
70°F |
0 to 5 mph
ENE
|
|
Friday
Jul 17
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
92°F |
0 to 10 mph
SW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
91°F |
5 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
67°F |
5 to 10 mph
N
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
NNE
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
SE
|
|
Monday
Jul 20
|
Sunny then Slight Chance Showers And Thunderstorms
|
84°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake.