Weather in Vermilion Grove, IL
Vermilion Grove, Sunday, 9 August, 11:13
Overcast. Feels like 96°. High 89°, low 68°.
Monthly outlook for Vermilion Grove, IL: average high 81.4°, average low 65.3°. That is 0.6° below the climate normal for August. Precipitation is expected on 7 days (about 2.8 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 10 August (94.7°), the coolest 24 August (57.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.9° | 82.5° | +0.2° |
| 19 August – 28 August | 79° | 82.8° | -2.1° |
| 29 August – 7 September | at normal | 81.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Dana (12 mi).
0.06
Vermilion Grove, Monday, 10 August
Rain. High 95°, low 76°.
0.29Vermilion Grove, Tuesday, 11 August
Rain. High 90°, low 71°.
0.03Vermilion Grove, Wednesday, 12 August
Light rain. High 87°, low 73°.
0.5Vermilion Grove, Thursday, 13 August
Rain. High 79°, low 67°.
1.16Vermilion Grove, Friday, 14 August
Heavy rain. High 76°, low 66°.
0.34Vermilion Grove, Saturday, 15 August
Rain. High 76°, low 64°.
0Vermilion Grove, Sunday, 16 August
Overcast. High 82°, low 68°.
0Vermilion Grove, Monday, 17 August
Overcast. High 77°, low 62°.
0Vermilion Grove, Tuesday, 18 August
Overcast. High 79°, low 61°.
0Vermilion Grove, Wednesday, 19 August
Light rain. High 82°, low 64°.
0.13Vermilion Grove, Thursday, 20 August
Light rain. High 76°, low 59°.
0.01Vermilion Grove, Friday, 21 August
Light rain. High 79°, low 62°.
0.25Vermilion Grove, Saturday, 22 August
Rain. High 84°, low 66°.
0
Vermilion Grove, Sunday, 23 August
Clear. High 75°, low 60°.
0Vermilion Grove, Monday, 24 August
Clear. High 77°, low 57°.
0.07
Vermilion Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09
Vermilion Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Vermilion Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Vermilion Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Vermilion Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.1Vermilion Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06
Vermilion Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Vermilion Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Vermilion Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Vermilion Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.07Vermilion Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Vermilion Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06Vermilion Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Vermilion Grove, Monday, 7 September
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 Vermilion 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 Vermilion 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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