Weather in West Des Moines, IA
West Des Moines, Sunday, 9 August, 07:01
Overcast. Feels like 73°. High 95°, low 71°.
Monthly outlook for West Des Moines, IA: average high 90.9°, average low 68.9°. That is 5.1° above the climate normal for August. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 22 August (113.3°), the coolest 15 August (59.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 85.3° | 81.7° | +2° |
| 19 August – 28 August | 100.4° | 81.8° | +10.3° |
| 29 August – 7 September | at normal | 80° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Urbandale (6 mi).
0.02
West Des Moines, Monday, 10 August
Light rain. High 88°, low 72°.
0.04West Des Moines, Tuesday, 11 August
Light rain. High 101°, low 71°.
0.01West Des Moines, Wednesday, 12 August
Light rain. High 90°, low 72°.
0.4West Des Moines, Thursday, 13 August
Rain. High 80°, low 62°.
0.69West Des Moines, Friday, 14 August
Rain. High 66°, low 62°.
0.02West Des Moines, Saturday, 15 August
Light rain. High 72°, low 60°.
0West Des Moines, Sunday, 16 August
Overcast. High 83°, low 66°.
0West Des Moines, Monday, 17 August
Overcast. High 87°, low 66°.
0West Des Moines, Tuesday, 18 August
Overcast. High 91°, low 66°.
0
West Des Moines, Wednesday, 19 August
Partly cloudy. High 101°, low 71°.
0West Des Moines, Thursday, 20 August
Overcast. High 100°, low 75°.
0.03West Des Moines, Friday, 21 August
Light rain. High 92°, low 71°.
0
West Des Moines, Saturday, 22 August
Mostly clear. High 113°, low 72°.
0.09West Des Moines, Sunday, 23 August
Light rain. High 99°, low 75°.
0.04West Des Moines, Monday, 24 August
Light rain. High 97°, low 70°.
0.14
West Des Moines, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.19West Des Moines, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16West Des Moines, Thursday, 27 August
Climate normal for this date — 60-year average.
0.18West Des Moines, Friday, 28 August
Climate normal for this date — 60-year average.
0.11West Des Moines, Saturday, 29 August
Climate normal for this date — 60-year average.
0.1West Des Moines, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09West Des Moines, Monday, 31 August
Climate normal for this date — 60-year average.
0.09West Des Moines, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11West Des Moines, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09West Des Moines, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09West Des Moines, Friday, 4 September
Climate normal for this date — 60-year average.
0.09West Des Moines, Saturday, 5 September
Climate normal for this date — 60-year average.
0.09West Des Moines, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13West Des Moines, Monday, 7 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 West Des Moines, 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 West Des Moines, 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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