Weather in Banner, IL
Banner, Sunday, 25 October, 12:36
Overcast. Feels like 72°. High 73°, low 50°.
Monthly outlook for Banner, IL: average high 66.2°, average low 51.6°. That is 5.8° above the climate normal for October. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 26 October (73.8°), the coolest 6 November (42.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 70.5° | 57.1° | +7.4° |
| 4 November – 13 November | 59° | 51.9° | +4° |
| 14 November – 23 November | at normal | 48.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Trivoli (13 mi).
0Banner, Monday, 26 October
Overcast. High 74°, low 52°.
0Banner, Tuesday, 27 October
Overcast. High 70°, low 52°.
0
Banner, Wednesday, 28 October
Clear. High 72°, low 54°.
0.04
Banner, Thursday, 29 October
Light rain. High 73°, low 58°.
0Banner, Friday, 30 October
Overcast. High 67°, low 55°.
0.31Banner, Saturday, 31 October
Rain. High 65°, low 58°.
0.37Banner, Sunday, 1 November
Rain. High 69°, low 60°.
0.02Banner, Monday, 2 November
Light rain. High 73°, low 56°.
0.05Banner, Tuesday, 3 November
Light rain. High 70°, low 56°.
0Banner, Wednesday, 4 November
Clear. High 62°, low 48°.
0Banner, Thursday, 5 November
Overcast. High 58°, low 46°.
0Banner, Friday, 6 November
Clear. High 58°, low 43°.
0.02Banner, Saturday, 7 November
Light rain. High 66°, low 45°.
0.13Banner, Sunday, 8 November
Light rain. High 59°, low 48°.
0.03Banner, Monday, 9 November
Light rain. High 52°, low 45°.
0.15
Banner, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Banner, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Banner, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06
Banner, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Banner, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Banner, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Banner, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Banner, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.13Banner, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Banner, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11
Banner, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Banner, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Banner, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Banner, Monday, 23 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 Banner, 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 Banner, 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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