Weather in Helena, IL
Helena, Friday, 23 October, 14:43
Clear. Feels like 72°. High 73°, low 45°.
0
Helena, Saturday, 24 October
Overcast. High 73°, low 45°.
0Helena, Sunday, 25 October
Overcast. High 73°, low 47°.
0Helena, Monday, 26 October
Overcast. High 74°, low 50°.
0Helena, Tuesday, 27 October
Overcast. High 71°, low 50°.
0Helena, Wednesday, 28 October
Clear. High 74°, low 53°.
0Helena, Thursday, 29 October
Overcast. High 78°, low 56°.
0Helena, Friday, 30 October
Overcast. High 72°, low 57°.
0.39
Helena, Saturday, 31 October
Rain. High 61°, low 55°.
0
Helena, Sunday, 1 November
Partly cloudy. High 69°, low 54°.
0.04Helena, Monday, 2 November
Light rain. High 67°, low 54°.
0.12Helena, Tuesday, 3 November
Light rain. High 67°, low 60°.
0.26Helena, Wednesday, 4 November
Rain. High 75°, low 64°.
0.01Helena, Thursday, 5 November
Light rain. High 80°, low 60°.
0Helena, Friday, 6 November
Overcast. High 72°, low 57°.
0Helena, Saturday, 7 November
Clear. High 75°, low 55°.
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 Helena, 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 Helena, 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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