Weather in Chicago Heights, IL
Chicago Heights, Thursday, 12 November, 11:41
Overcast. Feels like 38°. High 45°, low 39°.
Monthly outlook for Chicago Heights, IL: average high 51°, average low 39°. That is 2.9° above the climate normal for November. Precipitation is expected on 6 days (about 3.8 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 20 November (63.7°), the coolest 26 November (28.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 51.4° | 46.9° | +2.5° |
| 22 November – 1 December | 50.3° | 42.6° | +4.3° |
| 2 December – 11 December | at normal | 37.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Blue Island (10 mi).
0.02
Chicago Heights, Friday, 13 November
Light rain. High 42°, low 37°.
0
Chicago Heights, Saturday, 14 November
Clear. High 45°, low 32°.
0Chicago Heights, Sunday, 15 November
Clear. High 45°, low 30°.
0Chicago Heights, Monday, 16 November
Clear. High 48°, low 31°.
0Chicago Heights, Tuesday, 17 November
Clear. High 52°, low 33°.
0
Chicago Heights, Wednesday, 18 November
Partly cloudy. High 57°, low 39°.
0Chicago Heights, Thursday, 19 November
Light rain. High 61°, low 47°.
0.04Chicago Heights, Friday, 20 November
Light rain. High 64°, low 49°.
0.33Chicago Heights, Saturday, 21 November
Rain. High 55°, low 49°.
0.7Chicago Heights, Sunday, 22 November
Rain. High 61°, low 55°.
1.01Chicago Heights, Monday, 23 November
Rain. High 54°, low 50°.
0.75Chicago Heights, Tuesday, 24 November
Rain. High 58°, low 38°.
0Chicago Heights, Wednesday, 25 November
Overcast. High 38°, low 31°.
0.02
Chicago Heights, Thursday, 26 November
Light snow. High 36°, low 28°.
0.95Chicago Heights, Friday, 27 November
Snow. High 55°, low 37°.
0.14Chicago Heights, Saturday, 28 November
Climate normal for this date — 60-year average.
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.
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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