Weather in Spring Valley, IA
Spring Valley, Tuesday, 13 October, 08:03
Overcast. Feels like 59°. High 74°, low 59°.
Monthly outlook for Spring Valley, IA: average high 62.4°, average low 49.2°. That is 1° above the climate normal for October. Precipitation is expected on 7 days (about 3.4 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 13 October (74.5°), the coolest 17 October (37.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 64.8° | 62.1° | +1.5° |
| 23 October – 1 November | 58.4° | 57.7° | +0.4° |
| 2 November – 11 November | at normal | 52.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rose Hill (7 mi).
0.57
Spring Valley, Wednesday, 14 October
Heavy rain. High 69°, low 53°.
0.71Spring Valley, Thursday, 15 October
Rain. High 63°, low 54°.
0Spring Valley, Friday, 16 October
Overcast. High 55°, low 46°.
0
Spring Valley, Saturday, 17 October
Clear. High 59°, low 37°.
0.01Spring Valley, Sunday, 18 October
Light rain. High 62°, low 47°.
0.4Spring Valley, Monday, 19 October
Rain. High 51°, low 49°.
0
Spring Valley, Tuesday, 20 October
Mostly clear. High 71°, low 49°.
0.27Spring Valley, Wednesday, 21 October
Rain. High 74°, low 58°.
1.11Spring Valley, Thursday, 22 October
Rain. High 69°, low 65°.
0.25Spring Valley, Friday, 23 October
Rain. High 68°, low 51°.
0Spring Valley, Saturday, 24 October
Clear. High 55°, low 44°.
0Spring Valley, Sunday, 25 October
Overcast. High 52°, low 42°.
0Spring Valley, Monday, 26 October
Clear. High 58°, low 42°.
0Spring Valley, Tuesday, 27 October
Overcast. High 59°, low 43°.
0Spring Valley, Wednesday, 28 October
Overcast. High 59°, low 45°.
0.08
Spring Valley, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1
Spring Valley, Friday, 30 October
Climate normal for this date — 60-year average.
0.13Spring Valley, Saturday, 31 October
Climate normal for this date — 60-year average.
0.19Spring Valley, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Spring Valley, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Spring Valley, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Spring Valley, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Spring Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Spring Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Spring Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Spring Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Spring Valley, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Spring Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Spring Valley, Wednesday, 11 November
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 Spring Valley, 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 Spring Valley, 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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