Weather in McCullom Lake, IL
McCullom Lake, Tuesday, 10 November, 14:57
Clear. Feels like 63°. High 65°, low 41°.
Monthly outlook for McCullom Lake, IL: average high 47.2°, average low 35.6°. That is 1.3° above the climate normal for November. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 5 days and 1.2 inches. The warmest day looks like 10 November (64.6°), the coolest 25 November (23.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 49° | 46° | +1.7° |
| 20 November – 29 November | 44.2° | 41.9° | +1.3° |
| 30 November – 9 December | at normal | 36.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (11 mi).
0.01
McCullom Lake, Wednesday, 11 November
Light rain. High 57°, low 41°.
0.01McCullom Lake, Thursday, 12 November
Light rain. High 42°, low 34°.
0
McCullom Lake, Friday, 13 November
Partly cloudy. High 41°, low 31°.
0
McCullom Lake, Saturday, 14 November
Mostly clear. High 42°, low 29°.
0
McCullom Lake, Sunday, 15 November
Overcast. High 46°, low 33°.
0McCullom Lake, Monday, 16 November
Clear. High 47°, low 33°.
0McCullom Lake, Tuesday, 17 November
Mostly clear. High 48°, low 33°.
0McCullom Lake, Wednesday, 18 November
Clear. High 49°, low 33°.
0McCullom Lake, Thursday, 19 November
Overcast. High 51°, low 36°.
0.02McCullom Lake, Friday, 20 November
Light rain. High 48°, low 45°.
0.13McCullom Lake, Saturday, 21 November
Rain. High 51°, low 46°.
0.46McCullom Lake, Sunday, 22 November
Rain. High 51°, low 44°.
0McCullom Lake, Monday, 23 November
Light rain. High 43°, low 37°.
0.01
McCullom Lake, Tuesday, 24 November
Light snow. High 40°, low 30°.
0McCullom Lake, Wednesday, 25 November
Partly cloudy. High 32°, low 24°.
0.12
McCullom Lake, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21McCullom Lake, Friday, 27 November
Climate normal for this date — 60-year average.
0.12McCullom Lake, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08McCullom 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.
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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