Weather in Rapid Valley, SD
Rapid Valley, Monday, 19 October, 03:36
Clear. Feels like 43°. High 62°, low 41°.
Monthly outlook for Rapid Valley, SD: average high 61.3°, average low 40.5°. That is 2.8° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (78.7°), the coolest 28 October (17.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 61.8° | 58.5° | +1.8° |
| 29 October – 7 November | 60.5° | 52.5° | +4.4° |
| 8 November – 17 November | at normal | 47.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Green Valley (2 mi).
0
Rapid Valley, Tuesday, 20 October
Clear. High 74°, low 38°.
0Rapid Valley, Wednesday, 21 October
Clear. High 67°, low 47°.
0
Rapid Valley, Thursday, 22 October
Partly cloudy. High 77°, low 52°.
0.01
Rapid Valley, Friday, 23 October
Light rain. High 79°, low 57°.
0Rapid Valley, Saturday, 24 October
Clear. High 58°, low 46°.
0
Rapid Valley, Sunday, 25 October
Mostly clear. High 71°, low 41°.
0
Rapid Valley, Monday, 26 October
Overcast. High 52°, low 36°.
0.14
Rapid Valley, Tuesday, 27 October
Light snow. High 34°, low 25°.
0Rapid Valley, Wednesday, 28 October
Clear. High 44°, low 18°.
0Rapid Valley, Thursday, 29 October
Clear. High 59°, low 30°.
0Rapid Valley, Friday, 30 October
Overcast. High 72°, low 44°.
0Rapid Valley, Saturday, 31 October
Mostly clear. High 67°, low 52°.
0.04Rapid Valley, Sunday, 1 November
Light rain. High 62°, low 49°.
0.57Rapid Valley, Monday, 2 November
Rain. High 51°, low 39°.
0Rapid Valley, Tuesday, 3 November
Partly cloudy. High 53°, low 35°.
0.01Rapid Valley, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Rapid Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Rapid Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Rapid Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Rapid Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Rapid Valley, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Rapid Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Rapid Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Rapid Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Rapid Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Rapid Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Rapid Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Rapid Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Rapid Valley, Tuesday, 17 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 Rapid 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 Rapid 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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