Weather in Lake Catherine, IL
Lake Catherine, Wednesday, 11 November, 07:10
Overcast. Feels like 42°. High 55°, low 41°.
Monthly outlook for Lake Catherine, IL: average high 44°, average low 32.3°. That is 0.2° below the climate normal for November. Precipitation is expected on 4 days (about 2.4 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 11 November (55.5°), the coolest 24 November (17.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 47.7° | 45.5° | +1.2° |
| 21 November – 30 November | 38° | 41.4° | -1.9° |
| 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 36°.
0
Lake Catherine, Friday, 13 November
Partly cloudy. High 41°, low 31°.
0
Lake Catherine, Saturday, 14 November
Clear. High 43°, low 29°.
0Lake Catherine, Sunday, 15 November
Overcast. High 46°, low 31°.
0Lake Catherine, Monday, 16 November
Partly cloudy. High 48°, low 31°.
0Lake Catherine, Tuesday, 17 November
Clear. High 49°, low 33°.
0Lake Catherine, Wednesday, 18 November
Clear. High 50°, low 34°.
0.02
Lake Catherine, Thursday, 19 November
Light rain. High 47°, low 40°.
0.82Lake Catherine, Friday, 20 November
Rain. High 52°, low 47°.
1.41Lake Catherine, Saturday, 21 November
Rain. High 47°, low 39°.
0.02
Lake Catherine, Sunday, 22 November
Snow. High 36°, low 27°.
0.05Lake Catherine, Monday, 23 November
Light snow. High 30°, low 22°.
0
Lake Catherine, Tuesday, 24 November
Mostly clear. High 30°, low 17°.
0Lake Catherine, Wednesday, 25 November
Overcast. High 39°, low 25°.
0Lake Catherine, Thursday, 26 November
Partly cloudy. High 44°, low 32°.
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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