Weather in Long Valley, SD
Long Valley, Thursday, 22 October, 15:37
Clear. Feels like 78°. High 79°, low 52°.
Monthly outlook for Long Valley, SD: average high 54.8°, average low 42.9°. That is 0.1° above the climate normal for October. Precipitation is expected on 6 days (about 2.5 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (81.6°), the coolest 29 October (35.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 55.8° | 56.3° | -0.3° |
| 1 November – 10 November | 53.1° | 50.6° | +1.4° |
| 11 November – 20 November | at normal | 46.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Wanblee (11 mi).
0.02
Long Valley, Friday, 23 October
Light rain. High 82°, low 57°.
0.08Long Valley, Saturday, 24 October
Rain. High 61°, low 43°.
0.32Long Valley, Sunday, 25 October
Light rain. High 46°, low 40°.
1.63Long Valley, Monday, 26 October
Rain. High 41°, low 39°.
0.02Long Valley, Tuesday, 27 October
Light rain. High 63°, low 37°.
0
Long Valley, Wednesday, 28 October
Overcast. High 55°, low 44°.
0Long Valley, Thursday, 29 October
Overcast. High 46°, low 36°.
0.04
Long Valley, Friday, 30 October
Snow. High 45°, low 37°.
0.31Long Valley, Saturday, 31 October
Rain. High 40°, low 37°.
0Long Valley, Sunday, 1 November
Overcast. High 52°, low 39°.
0Long Valley, Monday, 2 November
Overcast. High 57°, low 37°.
0.11Long Valley, Tuesday, 3 November
Light rain. High 55°, low 48°.
0Long Valley, Wednesday, 4 November
Overcast. High 48°, low 47°.
0Long Valley, Thursday, 5 November
Overcast. High 54°, low 47°.
0.02Long Valley, Friday, 6 November
Light rain. High 53°, low 46°.
0.04
Long Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Long Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06
Long Valley, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Long Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.03Long Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Long Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Long Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Long Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Long Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Long Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Long Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Long Valley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Long Valley, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Long Valley, Friday, 20 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 Long Valley, SD 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 Long Valley, SD 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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