Weather in Helena, IL
Helena, Sunday, 25 October, 02:11
Clear. Feels like 46°. High 75°, low 46°.
0
Helena, Monday, 26 October
Overcast. High 75°, low 48°.
0Helena, Tuesday, 27 October
Overcast. High 72°, low 52°.
0
Helena, Wednesday, 28 October
Clear. High 74°, low 52°.
0Helena, Thursday, 29 October
Clear. High 77°, low 54°.
0Helena, Friday, 30 October
Overcast. High 77°, low 54°.
0Helena, Saturday, 31 October
Overcast. High 78°, low 62°.
0.14
Helena, Sunday, 1 November
Light rain. High 81°, low 68°.
0Helena, Monday, 2 November
Overcast. High 77°, low 62°.
0.69Helena, Tuesday, 3 November
Rain. High 62°, low 50°.
0.85Helena, Wednesday, 4 November
Rain. High 65°, low 57°.
0Helena, Thursday, 5 November
Overcast. High 63°, low 52°.
0Helena, Friday, 6 November
Clear. High 68°, low 46°.
0Helena, Saturday, 7 November
Overcast. High 84°, low 62°.
0Helena, Sunday, 8 November
Overcast. High 67°, low 52°.
0Helena, Monday, 9 November
Clear. High 55°, low 44°.
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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