Weather in Donnellson, IL
Donnellson, Saturday, 8 August, 17:56
Clear. Feels like 102°. High 90°, low 70°.
0
Donnellson, Sunday, 9 August
Overcast. High 95°, low 74°.
0Donnellson, Monday, 10 August
Clear. High 93°, low 73°.
0.04
Donnellson, Tuesday, 11 August
Light rain. High 90°, low 74°.
0.08Donnellson, Wednesday, 12 August
Light rain. High 85°, low 72°.
0.61Donnellson, Thursday, 13 August
Rain. High 78°, low 70°.
0.01Donnellson, Friday, 14 August
Light rain. High 76°, low 62°.
0
Donnellson, Saturday, 15 August
Partly cloudy. High 75°, low 56°.
0.05Donnellson, Sunday, 16 August
Light rain. High 78°, low 59°.
0.18Donnellson, Monday, 17 August
Light rain. High 90°, low 69°.
0Donnellson, Tuesday, 18 August
Overcast. High 86°, low 72°.
0Donnellson, Wednesday, 19 August
Partly cloudy. High 88°, low 70°.
2.19Donnellson, Thursday, 20 August
Heavy rain. High 84°, low 72°.
0.05Donnellson, Friday, 21 August
Light rain. High 82°, low 68°.
0Donnellson, Saturday, 22 August
Overcast. High 82°, low 64°.
0.05Donnellson, Sunday, 23 August
Light rain. High 73°, low 60°.
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 Donnellson, 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 Donnellson, 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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