Weather in Oil Grove, IL
Oil Grove, Sunday, 9 August, 05:52
Clear. Feels like 72°. High 91°, low 70°.
0.01
Oil Grove, Monday, 10 August
Light rain. High 94°, low 76°.
0
Oil Grove, Tuesday, 11 August
Overcast. High 94°, low 73°.
0.07Oil Grove, Wednesday, 12 August
Light rain. High 87°, low 73°.
0.27Oil Grove, Thursday, 13 August
Rain. High 86°, low 69°.
0.26Oil Grove, Friday, 14 August
Rain. High 75°, low 65°.
0.15Oil Grove, Saturday, 15 August
Light rain. High 80°, low 64°.
0Oil Grove, Sunday, 16 August
Overcast. High 83°, low 66°.
0
Oil Grove, Monday, 17 August
Partly cloudy. High 84°, low 69°.
0
Oil Grove, Tuesday, 18 August
Mostly clear. High 86°, low 65°.
0Oil Grove, Wednesday, 19 August
Overcast. High 89°, low 69°.
0Oil Grove, Thursday, 20 August
Partly cloudy. High 102°, low 76°.
0Oil Grove, Friday, 21 August
Mostly clear. High 96°, low 79°.
0
Oil Grove, Saturday, 22 August
Clear. High 100°, low 77°.
0Oil Grove, Sunday, 23 August
Partly cloudy. High 101°, low 78°.
0.04Oil Grove, Monday, 24 August
Light rain. High 96°, low 73°.
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 Oil 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 Oil 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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