Weather in Flossmoor, IL
Flossmoor, Monday, 19 October, 21:54
Clear. Feels like 50°. High 68°, low 39°.
Monthly outlook for Flossmoor, IL: average high 59.3°, average low 43°. That is 1.4° above the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 21 October (69.8°), the coolest 29 October (30.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 61.6° | 57.8° | +2.1° |
| 29 October – 7 November | 55.3° | 54° | +0.7° |
| 8 November – 17 November | at normal | 48.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Blue Island (8 mi).
0
Flossmoor, Tuesday, 20 October
Clear. High 69°, low 43°.
0Flossmoor, Wednesday, 21 October
Clear. High 70°, low 43°.
0.03
Flossmoor, Thursday, 22 October
Light rain. High 67°, low 50°.
0Flossmoor, Friday, 23 October
Clear. High 62°, low 44°.
0
Flossmoor, Saturday, 24 October
Overcast. High 62°, low 44°.
0.02Flossmoor, Sunday, 25 October
Light rain. High 67°, low 46°.
0Flossmoor, Monday, 26 October
Overcast. High 60°, low 54°.
0.36Flossmoor, Tuesday, 27 October
Rain. High 52°, low 39°.
0Flossmoor, Wednesday, 28 October
Clear. High 41°, low 32°.
0
Flossmoor, Thursday, 29 October
Mostly clear. High 48°, low 30°.
0Flossmoor, Friday, 30 October
Clear. High 55°, low 36°.
0Flossmoor, Saturday, 31 October
Overcast. High 61°, low 44°.
0.07Flossmoor, Sunday, 1 November
Light rain. High 60°, low 50°.
0.33Flossmoor, Monday, 2 November
Rain. High 53°, low 50°.
0
Flossmoor, Tuesday, 3 November
Partly cloudy. High 55°, low 45°.
0.09Flossmoor, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Flossmoor, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Flossmoor, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Flossmoor, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Flossmoor, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13
Flossmoor, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Flossmoor, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Flossmoor, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Flossmoor, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Flossmoor, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Flossmoor, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Flossmoor, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Flossmoor, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Flossmoor, Tuesday, 17 November
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 Flossmoor, 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 Flossmoor, 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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