Weather in Loon Lake, IL
Loon Lake, Friday, 13 November, 15:26
Overcast. Feels like 37°. High 41°, low 33°.
Monthly outlook for Loon Lake, IL: average high 44.5°, average low 30.7°. That is 0.5° above the climate normal for November. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 21 November (59.6°), the coolest 24 November (20.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 49.4° | 45° | +2.4° |
| 23 November – 2 December | 36.4° | 40.4° | -2.3° |
| 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 (5 mi).
0
Loon Lake, Saturday, 14 November
Clear. High 47°, low 32°.
0Loon Lake, Sunday, 15 November
Clear. High 47°, low 31°.
0
Loon Lake, Monday, 16 November
Mostly clear. High 49°, low 31°.
0Loon Lake, Tuesday, 17 November
Overcast. High 52°, low 36°.
0Loon Lake, Wednesday, 18 November
Overcast. High 52°, low 36°.
0.16
Loon Lake, Thursday, 19 November
Light rain. High 54°, low 41°.
0.35Loon Lake, Friday, 20 November
Rain. High 56°, low 39°.
0.02Loon Lake, Saturday, 21 November
Light rain. High 60°, low 40°.
0
Loon Lake, Sunday, 22 November
Light snow. High 36°, low 26°.
0Loon Lake, Monday, 23 November
Mostly clear. High 28°, low 20°.
0
Loon Lake, Tuesday, 24 November
Partly cloudy. High 30°, low 20°.
0Loon Lake, Wednesday, 25 November
Partly cloudy. High 34°, low 20°.
0Loon Lake, Thursday, 26 November
Overcast. High 39°, low 26°.
0Loon Lake, Friday, 27 November
Overcast. High 43°, low 30°.
0Loon Lake, Saturday, 28 November
Overcast. High 44°, low 30°.
0.08
Loon Lake, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Loon Lake, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Loon Lake, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Loon Lake, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Loon Lake, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Loon Lake, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Loon Lake, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Loon Lake, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Loon Lake, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Loon Lake, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Loon Lake, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Loon Lake, Thursday, 10 December
Climate normal for this date — 60-year average.
0.11Loon Lake, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Loon 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 Loon 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 Loon 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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