Weather in Mountain Plains, SD
Mountain Plains, Wednesday, 28 October, 22:58
Clear. Feels like 40°. High 56°, low 39°.
Monthly outlook for Mountain Plains, SD: average high 53.4°, average low 38.1°. That is 3.5° above the climate normal for October. Precipitation is expected on 4 days (about 2.1 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 31 October (59.1°), the coolest 12 November (30.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 55° | 48.6° | +3.5° |
| 7 November – 16 November | 50.9° | 44.9° | +3.4° |
| 17 November – 26 November | at normal | 40.5° | — |
October records over 66 years
0
Mountain Plains, Thursday, 29 October
Clear. High 54°, low 33°.
0
Mountain Plains, Friday, 30 October
Overcast. High 55°, low 37°.
0Mountain Plains, Saturday, 31 October
Overcast. High 59°, low 42°.
0.19
Mountain Plains, Sunday, 1 November
Light rain. High 56°, low 44°.
1.63Mountain Plains, Monday, 2 November
Heavy rain. High 48°, low 38°.
0.07Mountain Plains, Tuesday, 3 November
Light rain. High 57°, low 38°.
0Mountain Plains, Wednesday, 4 November
Clear. High 53°, low 38°.
0Mountain Plains, Thursday, 5 November
Overcast. High 56°, low 39°.
0
Mountain Plains, Friday, 6 November
Partly cloudy. High 55°, low 39°.
0Mountain Plains, Saturday, 7 November
Overcast. High 59°, low 44°.
0.03Mountain Plains, Sunday, 8 November
Light rain. High 56°, low 43°.
0.19
Mountain Plains, Monday, 9 November
Snow. High 46°, low 34°.
0.01Mountain Plains, Tuesday, 10 November
Light rain. High 48°, low 37°.
0Mountain Plains, Wednesday, 11 November
Overcast. High 47°, low 33°.
0Mountain Plains, Thursday, 12 November
Overcast. High 50°, low 31°.
0.05Mountain Plains, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Mountain Plains, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03
Mountain Plains, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Mountain Plains, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Mountain Plains, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Mountain Plains, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Mountain Plains, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Mountain Plains, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Mountain Plains, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Mountain Plains, Sunday, 22 November
Climate normal for this date — 60-year average.
0.03Mountain Plains, Monday, 23 November
Climate normal for this date — 60-year average.
0.02Mountain Plains, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.04Mountain Plains, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.08
Mountain Plains, Thursday, 26 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 Mountain Plains, 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 Mountain Plains, 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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