Weather in Spring Valley, WY
Spring Valley, Thursday, 15 October, 02:35
Clear. Feels like 34°. High 49°, low 30°.
Monthly outlook for Spring Valley, WY: average high 51.5°, average low 32.5°. That is 0.2° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 17 October (61.4°), the coolest 24 October (23.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 51.3° | 53.1° | -1° |
| 25 October – 3 November | 52° | 46.5° | +3.1° |
| 4 November – 13 November | at normal | 42.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (14 mi).
0
Spring Valley, Friday, 16 October
Clear. High 50°, low 28°.
0Spring Valley, Saturday, 17 October
Clear. High 61°, low 31°.
0
Spring Valley, Sunday, 18 October
Partly cloudy. High 61°, low 32°.
0Spring Valley, Monday, 19 October
Clear. High 58°, low 33°.
0.01
Spring Valley, Tuesday, 20 October
Light rain. High 57°, low 41°.
0.06Spring Valley, Wednesday, 21 October
Light rain. High 57°, low 43°.
0.02
Spring Valley, Thursday, 22 October
Snow. High 45°, low 34°.
0.05Spring Valley, Friday, 23 October
Light snow. High 37°, low 27°.
0.01Spring Valley, Saturday, 24 October
Light snow. High 37°, low 24°.
0
Spring Valley, Sunday, 25 October
Overcast. High 45°, low 24°.
0.01Spring Valley, Monday, 26 October
Light snow. High 45°, low 33°.
0Spring Valley, Tuesday, 27 October
Clear. High 52°, low 30°.
0Spring Valley, Wednesday, 28 October
Overcast. High 55°, low 35°.
0Spring Valley, Thursday, 29 October
Partly cloudy. High 57°, low 39°.
0Spring Valley, Friday, 30 October
Partly cloudy. High 58°, low 35°.
0.06Spring Valley, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Spring Valley, Sunday, 1 November
Climate normal for this date — 60-year average.
0.06Spring Valley, Monday, 2 November
Climate normal for this date — 60-year average.
0.04
Spring 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.
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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