Weather in Spring Valley, WY
Spring Valley, Wednesday, 21 October, 04:09
Partly cloudy. Feels like 49°. High 61°, low 44°.
Monthly outlook for Spring Valley, WY: average high 48.5°, average low 33.5°. That is 0.5° above the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 22 October (61.7°), the coolest 5 November (19.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 53.3° | 49.4° | +2.2° |
| 31 October – 9 November | 40.5° | 43.8° | -1.9° |
| 10 November – 19 November | at normal | 38.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (14 mi).
0.03
Spring Valley, Thursday, 22 October
Light rain. High 62°, low 47°.
0.07Spring Valley, Friday, 23 October
Rain. High 52°, low 36°.
0
Spring Valley, Saturday, 24 October
Clear. High 49°, low 32°.
0
Spring Valley, Sunday, 25 October
Overcast. High 49°, low 29°.
0
Spring Valley, Monday, 26 October
Mostly clear. High 49°, low 29°.
0Spring Valley, Tuesday, 27 October
Overcast. High 53°, low 37°.
0
Spring Valley, Wednesday, 28 October
Partly cloudy. High 51°, low 32°.
0Spring Valley, Thursday, 29 October
Overcast. High 54°, low 33°.
0Spring Valley, Friday, 30 October
Overcast. High 52°, low 37°.
0.02Spring Valley, Saturday, 31 October
Light rain. High 50°, low 38°.
0Spring Valley, Sunday, 1 November
Overcast. High 50°, low 36°.
0.03Spring Valley, Monday, 2 November
Light rain. High 48°, low 37°.
0.22
Spring Valley, Tuesday, 3 November
Light snow. High 36°, low 27°.
0.17Spring Valley, Wednesday, 4 November
Light snow. High 28°, low 22°.
0Spring Valley, Thursday, 5 November
Overcast. High 31°, low 20°.
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.
0.04Spring Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Spring Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Spring Valley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Spring Valley, Thursday, 19 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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