Weather in Mount Zion, IA
Mount Zion, Saturday, 8 August, 22:48
Overcast. Feels like 72°. High 85°, low 66°.
Monthly outlook for Mount Zion, IA: average high 84.3°, average low 65.3°. That is 1.1° above the climate normal for August. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 11 August (96.6°), the coolest 21 August (52.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 85.1° | 82.3° | +1.5° |
| 18 August – 27 August | 82.9° | 82.3° | +0.4° |
| 28 August – 6 September | at normal | 80.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Fairfield (15 mi).
0
Mount Zion, Sunday, 9 August
Partly cloudy. High 94°, low 71°.
0Mount Zion, Monday, 10 August
Overcast. High 95°, low 74°.
0Mount Zion, Tuesday, 11 August
Overcast. High 97°, low 77°.
0.09
Mount Zion, Wednesday, 12 August
Light rain. High 87°, low 69°.
0.73Mount Zion, Thursday, 13 August
Heavy rain. High 78°, low 66°.
0Mount Zion, Friday, 14 August
Overcast. High 81°, low 62°.
0.16Mount Zion, Saturday, 15 August
Light rain. High 70°, low 63°.
0.02Mount Zion, Sunday, 16 August
Light rain. High 79°, low 63°.
0.02Mount Zion, Monday, 17 August
Light rain. High 86°, low 68°.
0Mount Zion, Tuesday, 18 August
Overcast. High 89°, low 67°.
0Mount Zion, Wednesday, 19 August
Overcast. High 79°, low 63°.
0Mount Zion, Thursday, 20 August
Overcast. High 75°, low 55°.
0Mount Zion, Friday, 21 August
Overcast. High 74°, low 52°.
0.03Mount Zion, Saturday, 22 August
Light rain. High 88°, low 61°.
0
Mount Zion, Sunday, 23 August
Mostly clear. High 93°, low 66°.
0.11Mount Zion, Monday, 24 August
Climate normal for this date — 60-year average.
0.14
Mount Zion, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.2Mount Zion, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.1Mount Zion, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12Mount Zion, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Mount Zion, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Mount Zion, Sunday, 30 August
Climate normal for this date — 60-year average.
0.15Mount Zion, Monday, 31 August
Climate normal for this date — 60-year average.
0.15Mount Zion, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Mount Zion, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Mount Zion, Thursday, 3 September
Climate normal for this date — 60-year average.
0.07Mount Zion, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Mount Zion, Saturday, 5 September
Climate normal for this date — 60-year average.
0.15Mount Zion, Sunday, 6 September
Climate normal for this date — 60-year average.
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 Mount Zion, IA 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 Mount Zion, IA 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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