Weather in Chicago Heights, IL
Chicago Heights, Friday, 13 November, 01:19
Overcast. Feels like 31°. High 43°, low 35°.
Monthly outlook for Chicago Heights, IL: average high 51°, average low 38.5°. That is 3.1° above the climate normal for November. Precipitation is expected on 2 days (about 1.8 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 22 November (65.1°), the coolest 26 November (28.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 54° | 46.7° | +4° |
| 23 November – 2 December | 46.1° | 42.2° | +2.2° |
| 3 December – 12 December | at normal | 37.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Blue Island (10 mi).
0
Chicago Heights, Saturday, 14 November
Clear. High 45°, low 32°.
0
Chicago Heights, Sunday, 15 November
Mostly clear. High 47°, low 30°.
0Chicago Heights, Monday, 16 November
Clear. High 49°, low 31°.
0
Chicago Heights, Tuesday, 17 November
Partly cloudy. High 52°, low 34°.
0Chicago Heights, Wednesday, 18 November
Mostly clear. High 55°, low 36°.
0Chicago Heights, Thursday, 19 November
Overcast. High 63°, low 48°.
0Chicago Heights, Friday, 20 November
Overcast. High 59°, low 46°.
0Chicago Heights, Saturday, 21 November
Overcast. High 64°, low 51°.
0Chicago Heights, Sunday, 22 November
Overcast. High 65°, low 52°.
0.16
Chicago Heights, Monday, 23 November
Light rain. High 58°, low 56°.
1.66Chicago Heights, Tuesday, 24 November
Heavy rain. High 57°, low 38°.
0.01
Chicago Heights, Wednesday, 25 November
Light snow. High 37°, low 32°.
0Chicago Heights, Thursday, 26 November
Clear. High 34°, low 28°.
0Chicago Heights, Friday, 27 November
Overcast. High 42°, low 29°.
0Chicago Heights, Saturday, 28 November
Overcast. High 49°, low 38°.
0.08Chicago Heights, Sunday, 29 November
Climate normal for this date — 60-year average.
0.09Chicago Heights, Monday, 30 November
Climate normal for this date — 60-year average.
0.15
Chicago Heights, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Chicago Heights, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Chicago Heights, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Chicago Heights, Friday, 4 December
Climate normal for this date — 60-year average.
0.09Chicago Heights, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Chicago Heights, Sunday, 6 December
Climate normal for this date — 60-year average.
0.13Chicago Heights, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Chicago Heights, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Chicago Heights, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Chicago Heights, Thursday, 10 December
Climate normal for this date — 60-year average.
0.12Chicago Heights, Friday, 11 December
Climate normal for this date — 60-year average.
0.1Chicago Heights, 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 Chicago Heights, 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 Chicago Heights, 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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