Weather in McCullom Lake, IL
McCullom Lake, Friday, 13 November, 19:18
Clear. Feels like 32°. High 42°, low 33°.
Monthly outlook for McCullom Lake, IL: average high 44.3°, average low 30.2°. That is 0.3° above the climate normal for November. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 21 November (58.4°), the coolest 24 November (19.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 49.3° | 45° | +2.4° |
| 23 November – 2 December | 35.9° | 40.4° | -2.5° |
| 3 December – 12 December | at normal | 35.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (11 mi).
0
McCullom Lake, Saturday, 14 November
Mostly clear. High 46°, low 30°.
0
McCullom Lake, Sunday, 15 November
Clear. High 47°, low 30°.
0McCullom Lake, Monday, 16 November
Mostly clear. High 49°, low 29°.
0
McCullom Lake, Tuesday, 17 November
Overcast. High 52°, low 35°.
0McCullom Lake, Wednesday, 18 November
Overcast. High 53°, low 36°.
0.19
McCullom Lake, Thursday, 19 November
Rain. High 53°, low 42°.
0.33McCullom Lake, Friday, 20 November
Rain. High 56°, low 39°.
0.03McCullom Lake, Saturday, 21 November
Light rain. High 58°, low 40°.
0McCullom Lake, Sunday, 22 November
Overcast. High 36°, low 25°.
0.01
McCullom Lake, Monday, 23 November
Light snow. High 27°, low 20°.
0
McCullom Lake, Tuesday, 24 November
Partly cloudy. High 30°, low 20°.
0McCullom Lake, Wednesday, 25 November
Partly cloudy. High 33°, low 20°.
0McCullom Lake, Thursday, 26 November
Overcast. High 39°, low 26°.
0McCullom Lake, Friday, 27 November
Overcast. High 43°, low 30°.
0McCullom Lake, Saturday, 28 November
Partly cloudy. High 43°, low 30°.
0.08
McCullom Lake, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07McCullom Lake, Monday, 30 November
Climate normal for this date — 60-year average.
0.14McCullom Lake, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07McCullom Lake, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09McCullom Lake, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06McCullom Lake, Friday, 4 December
Climate normal for this date — 60-year average.
0.07McCullom Lake, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06McCullom Lake, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11McCullom Lake, Monday, 7 December
Climate normal for this date — 60-year average.
0.09McCullom Lake, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09McCullom Lake, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09McCullom Lake, Thursday, 10 December
Climate normal for this date — 60-year average.
0.11McCullom Lake, Friday, 11 December
Climate normal for this date — 60-year average.
0.09McCullom Lake, Saturday, 12 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 McCullom Lake, 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 McCullom Lake, 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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