Weather in Rock Grove, IL
Rock Grove, Sunday, 8 November, 11:07
Clear. Feels like 55°. High 57°, low 38°.
Monthly outlook for Rock Grove, IL: average high 51.2°, average low 38.6°. That is 3.8° above the climate normal for November. Precipitation is expected on 5 days (about 1.6 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 9 November (59.2°), the coolest 14 November (26.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 November – 17 November | 50.9° | 45.3° | +3.1° |
| 18 November – 27 November | 51.8° | 41.4° | +5.8° |
| 28 November – 7 December | at normal | 35.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Monroe (12 mi).
0
Rock Grove, Monday, 9 November
Overcast. High 59°, low 33°.
0
Rock Grove, Tuesday, 10 November
Mostly clear. High 58°, low 39°.
0.03
Rock Grove, Wednesday, 11 November
Light rain. High 54°, low 37°.
0Rock Grove, Thursday, 12 November
Overcast. High 42°, low 36°.
0Rock Grove, Friday, 13 November
Overcast. High 40°, low 29°.
0
Rock Grove, Saturday, 14 November
Partly cloudy. High 42°, low 26°.
0Rock Grove, Sunday, 15 November
Partly cloudy. High 52°, low 30°.
0Rock Grove, Monday, 16 November
Partly cloudy. High 52°, low 36°.
0Rock Grove, Tuesday, 17 November
Overcast. High 53°, low 39°.
0.78Rock Grove, Wednesday, 18 November
Rain. High 44°, low 42°.
0.06Rock Grove, Thursday, 19 November
Light rain. High 47°, low 43°.
0.07Rock Grove, Friday, 20 November
Light rain. High 55°, low 47°.
0.65Rock Grove, Saturday, 21 November
Rain. High 57°, low 54°.
0.04Rock Grove, Sunday, 22 November
Light rain. High 57°, low 49°.
0Rock Grove, Monday, 23 November
Partly cloudy. High 50°, low 39°.
0.07Rock Grove, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06Rock Grove, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.11
Rock Grove, Thursday, 26 November
Climate normal for this date — 60-year average.
0.15Rock Grove, Friday, 27 November
Climate normal for this date — 60-year average.
0.1Rock Grove, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06Rock Grove, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Rock Grove, Monday, 30 November
Climate normal for this date — 60-year average.
0.1Rock Grove, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.05Rock Grove, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Rock Grove, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Rock Grove, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Rock Grove, Saturday, 5 December
Climate normal for this date — 60-year average.
0.04Rock Grove, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Rock Grove, 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 Rock Grove, 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 Rock Grove, 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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