Weather in South Beloit, IL
South Beloit, Wednesday, 11 November, 13:50
Overcast. Feels like 44°. High 51°, low 38°.
Monthly outlook for South Beloit, IL: average high 44.6°, average low 32.2°. That is 0.1° above the climate normal for November. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 20 November (52.2°), the coolest 23 November (27.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 46.6° | 45.7° | +0.5° |
| 21 November – 30 November | 41.4° | 41.2° | +0.1° |
| 1 December – 10 December | at normal | 35.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rockford (15 mi).
0South Beloit, Thursday, 12 November
Overcast. High 45°, low 33°.
0South Beloit, Friday, 13 November
Overcast. High 40°, low 30°.
0
South Beloit, Saturday, 14 November
Clear. High 42°, low 28°.
0South Beloit, Sunday, 15 November
Overcast. High 44°, low 29°.
0South Beloit, Monday, 16 November
Clear. High 47°, low 29°.
0South Beloit, Tuesday, 17 November
Clear. High 47°, low 32°.
0South Beloit, Wednesday, 18 November
Overcast. High 48°, low 33°.
0.02
South Beloit, Thursday, 19 November
Light rain. High 48°, low 33°.
0.13South Beloit, Friday, 20 November
Rain. High 52°, low 42°.
0.77South Beloit, Saturday, 21 November
Rain. High 46°, low 35°.
0
South Beloit, Sunday, 22 November
Light snow. High 38°, low 30°.
0South Beloit, Monday, 23 November
Clear. High 38°, low 27°.
0
South Beloit, Tuesday, 24 November
Mostly clear. High 45°, low 30°.
0.23South Beloit, Wednesday, 25 November
Light rain. High 44°, low 34°.
0.07South Beloit, Thursday, 26 November
Snow. High 37°, low 33°.
0.18
South Beloit, Friday, 27 November
Climate normal for this date — 60-year average.
0.11
South Beloit, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06South Beloit, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06South Beloit, Monday, 30 November
Climate normal for this date — 60-year average.
0.11South Beloit, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06South Beloit, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09South Beloit, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06South Beloit, Friday, 4 December
Climate normal for this date — 60-year average.
0.07South Beloit, Saturday, 5 December
Climate normal for this date — 60-year average.
0.05South Beloit, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09South Beloit, Monday, 7 December
Climate normal for this date — 60-year average.
0.07South Beloit, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09South Beloit, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.08South Beloit, Thursday, 10 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 South Beloit, 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 South Beloit, 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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