Weather in Spring Valley, IA
Spring Valley, Thursday, 15 October, 15:09
Overcast. Feels like 67°. High 66°, low 51°.
Monthly outlook for Spring Valley, IA: average high 64.6°, average low 49.9°. That is 2.7° above the climate normal for October. Precipitation is expected on 8 days (about 0.8 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 21 October (71.7°), the coolest 17 October (35.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 64.9° | 61.2° | +2.1° |
| 25 October – 3 November | 64.2° | 56.6° | +4.2° |
| 4 November – 13 November | at normal | 51.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rose Hill (7 mi).
0.02
Spring Valley, Friday, 16 October
Light rain. High 53°, low 43°.
0
Spring Valley, Saturday, 17 October
Clear. High 58°, low 35°.
0Spring Valley, Sunday, 18 October
Clear. High 63°, low 42°.
0.03Spring Valley, Monday, 19 October
Light rain. High 62°, low 45°.
0.05Spring Valley, Tuesday, 20 October
Light rain. High 68°, low 47°.
0
Spring Valley, Wednesday, 21 October
Partly cloudy. High 72°, low 52°.
0.04Spring Valley, Thursday, 22 October
Light rain. High 72°, low 58°.
0Spring Valley, Friday, 23 October
Overcast. High 71°, low 61°.
0.07Spring Valley, Saturday, 24 October
Light rain. High 65°, low 52°.
0Spring Valley, Sunday, 25 October
Clear. High 64°, low 47°.
0.03Spring Valley, Monday, 26 October
Light rain. High 60°, low 44°.
0.11Spring Valley, Tuesday, 27 October
Light rain. High 64°, low 59°.
0.16Spring Valley, Wednesday, 28 October
Light rain. High 65°, low 58°.
0.07Spring Valley, Thursday, 29 October
Light rain. High 68°, low 56°.
0.12Spring Valley, Friday, 30 October
Light rain. High 65°, low 48°.
0.13
Spring 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.
0.02
Spring 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.
0.07Spring Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Spring Valley, Friday, 13 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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