Weather in Lake Catherine, IL
Lake Catherine, Wednesday, 11 November, 22:39
Overcast. Feels like 46°. High 52°, low 40°.
Monthly outlook for Lake Catherine, IL: average high 46.9°, average low 34.7°. That is 1.4° above the climate normal for November. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 22 November (59°), the coolest 26 November (22.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 49.2° | 45.5° | +2.1° |
| 21 November – 30 November | 42.9° | 41.4° | +0.8° |
| 1 December – 10 December | at normal | 36.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (8 mi).
0Lake Catherine, Thursday, 12 November
Overcast. High 46°, low 32°.
0
Lake Catherine, Friday, 13 November
Partly cloudy. High 43°, low 31°.
0Lake Catherine, Saturday, 14 November
Partly cloudy. High 43°, low 29°.
0
Lake Catherine, Sunday, 15 November
Clear. High 45°, low 30°.
0Lake Catherine, Monday, 16 November
Partly cloudy. High 49°, low 31°.
0
Lake Catherine, Tuesday, 17 November
Mostly clear. High 51°, low 34°.
0Lake Catherine, Wednesday, 18 November
Clear. High 52°, low 34°.
0Lake Catherine, Thursday, 19 November
Overcast. High 54°, low 39°.
0Lake Catherine, Friday, 20 November
Overcast. High 56°, low 44°.
0Lake Catherine, Saturday, 21 November
Overcast. High 46°, low 43°.
0.2
Lake Catherine, Sunday, 22 November
Rain. High 59°, low 43°.
0Lake Catherine, Monday, 23 November
Overcast. High 44°, low 41°.
0.56
Lake Catherine, Tuesday, 24 November
Snow. High 41°, low 33°.
0Lake Catherine, Wednesday, 25 November
Light snow. High 37°, low 30°.
0Lake Catherine, Thursday, 26 November
Clear. High 31°, low 22°.
0.21Lake Catherine, Friday, 27 November
Climate normal for this date — 60-year average.
0.12
Lake Catherine, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Lake Catherine, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Lake Catherine, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Lake Catherine, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Lake Catherine, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Lake Catherine, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Lake Catherine, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Lake Catherine, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Lake Catherine, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Lake Catherine, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Lake Catherine, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Lake Catherine, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Lake Catherine, Thursday, 10 December
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Lake Catherine, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Lake Catherine, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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