Weather in McCullom Lake, IL
McCullom Lake, Sunday, 15 November, 07:28
Clear. Feels like 24°. High 49°, low 28°.
Monthly outlook for McCullom Lake, IL: average high 50°, average low 36°. That is 3.9° above the climate normal for November. Precipitation is expected on 1 day (about 0.4 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 19 November (59.8°), the coolest 15 November (28.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 52.2° | 44.4° | +4.4° |
| 25 November – 4 December | 46.3° | 39.5° | +3.8° |
| 5 December – 14 December | at normal | 35.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (11 mi).
0McCullom Lake, Monday, 16 November
Clear. High 52°, low 30°.
0McCullom Lake, Tuesday, 17 November
Clear. High 54°, low 35°.
0
McCullom Lake, Wednesday, 18 November
Overcast. High 55°, low 39°.
0
McCullom Lake, Thursday, 19 November
Light rain. High 60°, low 46°.
0
McCullom Lake, Friday, 20 November
Partly cloudy. High 55°, low 37°.
0.01McCullom Lake, Saturday, 21 November
Light rain. High 58°, low 48°.
0McCullom Lake, Sunday, 22 November
Clear. High 53°, low 35°.
0McCullom Lake, Monday, 23 November
Overcast. High 43°, low 30°.
0McCullom Lake, Tuesday, 24 November
Overcast. High 43°, low 33°.
0McCullom Lake, Wednesday, 25 November
Partly cloudy. High 48°, low 31°.
0McCullom Lake, Thursday, 26 November
Overcast. High 54°, low 38°.
0.36McCullom Lake, Friday, 27 November
Rain. High 47°, low 42°.
0McCullom Lake, Saturday, 28 November
Overcast. High 47°, low 37°.
0McCullom Lake, Sunday, 29 November
Overcast. High 42°, low 35°.
0McCullom Lake, Monday, 30 November
Overcast. High 41°, low 32°.
0.14
McCullom 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.
0.06McCullom Lake, Sunday, 13 December
Climate normal for this date — 60-year average.
0.11McCullom Lake, Monday, 14 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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