Weather in Altona, IL
Altona, Sunday, 25 October, 01:01
Overcast. Feels like 53°. High 74°, low 53°.
0Altona, Monday, 26 October
Overcast. High 72°, low 52°.
0.01
Altona, Tuesday, 27 October
Light rain. High 71°, low 53°.
0.03Altona, Wednesday, 28 October
Light rain. High 72°, low 56°.
0.1Altona, Thursday, 29 October
Light rain. High 70°, low 59°.
0.28Altona, Friday, 30 October
Rain. High 75°, low 58°.
0.24Altona, Saturday, 31 October
Rain. High 72°, low 62°.
0.67Altona, Sunday, 1 November
Heavy rain. High 72°, low 61°.
0
Altona, Monday, 2 November
Partly cloudy. High 68°, low 56°.
0Altona, Tuesday, 3 November
Overcast. High 60°, low 53°.
0.31Altona, Wednesday, 4 November
Rain. High 59°, low 50°.
0Altona, Thursday, 5 November
Overcast. High 56°, low 46°.
0Altona, Friday, 6 November
Overcast. High 65°, low 44°.
0Altona, Saturday, 7 November
Overcast. High 72°, low 58°.
0Altona, Sunday, 8 November
Overcast. High 56°, low 48°.
0
Altona, Monday, 9 November
Clear. High 48°, low 39°.
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 Altona, 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 Altona, 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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