Weather in Helena, IL
Helena, Thursday, 29 October, 02:22
Clear. Feels like 51°. High 78°, low 52°.
0
Helena, Friday, 30 October
Partly cloudy. High 75°, low 55°.
0
Helena, Saturday, 31 October
Light rain. High 67°, low 57°.
0.1Helena, Sunday, 1 November
Light rain. High 65°, low 57°.
0.06Helena, Monday, 2 November
Light rain. High 67°, low 57°.
0.18Helena, Tuesday, 3 November
Rain. High 70°, low 64°.
0.92Helena, Wednesday, 4 November
Rain. High 69°, low 63°.
0.03Helena, Thursday, 5 November
Light rain. High 68°, low 58°.
0.11Helena, Friday, 6 November
Light rain. High 59°, low 49°.
0
Helena, Saturday, 7 November
Clear. High 56°, low 44°.
0
Helena, Sunday, 8 November
Overcast. High 55°, low 38°.
0Helena, Monday, 9 November
Overcast. High 58°, low 40°.
0Helena, Tuesday, 10 November
Light rain. High 56°, low 47°.
0Helena, Wednesday, 11 November
Overcast. High 57°, low 40°.
0Helena, Thursday, 12 November
Clear. High 52°, low 39°.
0Helena, Friday, 13 November
Partly cloudy. High 51°, low 36°.
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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