Weather in Spring Valley, WY
Spring Valley, Saturday, 17 October, 12:57
Clear. Feels like 56°. High 60°, low 31°.
Monthly outlook for Spring Valley, WY: average high 47.7°, average low 31°. That is 1.2° below the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 17 October (59.7°), the coolest 31 October (15°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 53.2° | 52.2° | +0.6° |
| 27 October – 5 November | 38.5° | 45.5° | -3.8° |
| 6 November – 15 November | at normal | 41° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (14 mi).
0.01
Spring Valley, Sunday, 18 October
Light rain. High 55°, low 34°.
0
Spring Valley, Monday, 19 October
Partly cloudy. High 55°, low 39°.
0.02Spring Valley, Tuesday, 20 October
Light rain. High 57°, low 39°.
0
Spring Valley, Wednesday, 21 October
Mostly clear. High 59°, low 39°.
0.02Spring Valley, Thursday, 22 October
Light rain. High 59°, low 44°.
0.41
Spring Valley, Friday, 23 October
Snow. High 44°, low 35°.
0.01Spring Valley, Saturday, 24 October
Light rain. High 48°, low 36°.
0
Spring Valley, Sunday, 25 October
Overcast. High 55°, low 35°.
0.05Spring Valley, Monday, 26 October
Light snow. High 40°, low 29°.
0Spring Valley, Tuesday, 27 October
Clear. High 49°, low 30°.
0.03Spring Valley, Wednesday, 28 October
Light snow. High 47°, low 27°.
0.07Spring Valley, Thursday, 29 October
Light snow. High 45°, low 30°.
0.31Spring Valley, Friday, 30 October
Snow. High 30°, low 17°.
0Spring Valley, Saturday, 31 October
Overcast. High 30°, low 15°.
0Spring Valley, Sunday, 1 November
Overcast. High 30°, low 15°.
0.06Spring Valley, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Spring Valley, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Spring Valley, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Spring Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Spring Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Spring Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07
Spring 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.
0.06Spring Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Spring 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.
0.04Spring Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Spring Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Spring Valley, Sunday, 15 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, WY 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, WY 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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