Lake Catherine, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Catherine, IL in one place.
Mostly sunny. High near 45, with temperatures falling to around 42 in the afternoon. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Lake Catherine, 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: Nov 6, 2026 12:02 AM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Lake Catherine, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 12:02 AM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Catherine
Monday looks like the warmest upcoming period in Lake Catherine at 63 degrees F.
Friday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday at about 10 to 15 mph NNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 6, 2026 12:02 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 30. Northwest wind 5 to 15 mph.
Mostly sunny, with a high near 51. West wind 5 to 10 mph.
Mostly clear, with a low around 36. West southwest wind 5 to 10 mph.
Sunny, with a high near 58.
Clear, with a low around 34.
Sunny, with a high near 63.
Mostly clear, with a low around 39.
Sunny, with a high near 60.
Partly cloudy, with a low around 35.
A slight chance of rain after noon. Mostly sunny, with a high near 57.
A slight chance of rain. Partly cloudy, with a low around 36.
A slight chance of rain before noon. Mostly sunny, with a high near 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Mostly Sunny
|
45°F |
10 to 15 mph
NNW
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
30°F |
5 to 15 mph
NW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
51°F |
5 to 10 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
36°F |
5 to 10 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
58°F |
5 to 10 mph
W
|
|
Sunday Night
Nov 8
|
Clear
|
34°F |
0 to 5 mph
W
|
|
Monday
Nov 9
|
Sunny
|
63°F |
0 to 10 mph
SW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
39°F |
5 to 10 mph
W
|
|
Tuesday
Nov 10
|
Sunny
|
60°F |
5 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
35°F |
0 mph
|
|
Veterans Day
Nov 11
|
Mostly Sunny then Slight Chance Rain
|
57°F |
0 to 5 mph
NW
|
|
Wednesday Night
Nov 11
|
Slight Chance Rain
|
36°F |
0 mph
|
|
Thursday
Nov 12
|
Slight Chance Rain then Mostly Sunny
|
55°F |
0 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Catherine.