Weather in Tonica, IL
Tonica, Sunday, 8 November, 05:18
Clear. Feels like 30°. High 61°, low 37°.
Monthly outlook for Tonica, IL: average high 54.9°, average low 40.7°. That is 3.1° above the climate normal for November. Precipitation is expected on 5 days (about 1.6 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 19 November (65°), the coolest 14 November (28.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 November – 17 November | 54.2° | 50.2° | +2.2° |
| 18 November – 27 November | 56° | 46.5° | +5.3° |
| 28 November – 7 December | at normal | 40.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Toluca (15 mi).
0
Tonica, Monday, 9 November
Partly cloudy. High 61°, low 35°.
0
Tonica, Tuesday, 10 November
Clear. High 61°, low 43°.
0.56
Tonica, Wednesday, 11 November
Heavy rain. High 56°, low 42°.
0
Tonica, Thursday, 12 November
Overcast. High 45°, low 37°.
0Tonica, Friday, 13 November
Overcast. High 42°, low 32°.
0
Tonica, Saturday, 14 November
Mostly clear. High 45°, low 28°.
0Tonica, Sunday, 15 November
Partly cloudy. High 55°, low 35°.
0Tonica, Monday, 16 November
Partly cloudy. High 56°, low 40°.
0Tonica, Tuesday, 17 November
Overcast. High 60°, low 43°.
0.13Tonica, Wednesday, 18 November
Light rain. High 61°, low 52°.
0.21Tonica, Thursday, 19 November
Rain. High 65°, low 57°.
0.48Tonica, Friday, 20 November
Rain. High 59°, low 54°.
0Tonica, Saturday, 21 November
Light rain. High 51°, low 41°.
0Tonica, Sunday, 22 November
Clear. High 50°, low 35°.
0.17Tonica, Monday, 23 November
Light rain. High 50°, low 42°.
0.08Tonica, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.07Tonica, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.14
Tonica, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Tonica, Friday, 27 November
Climate normal for this date — 60-year average.
0.12Tonica, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Tonica, Sunday, 29 November
Climate normal for this date — 60-year average.
0.09Tonica, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Tonica, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Tonica, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Tonica, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Tonica, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Tonica, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Tonica, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Tonica, Monday, 7 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 Tonica, 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 Tonica, 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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