Weather in Mountain Plains, SD
Mountain Plains, Friday, 30 October, 07:30
Fog. Feels like 31°. High 52°, low 31°.
Monthly outlook for Mountain Plains, SD: average high 51.6°, average low 38.1°. That is 2.9° above the climate normal for October. Precipitation is expected on 6 days (about 3.6 inches), against a normal of 4 days and 0.7 inches. The warmest day looks like 8 November (68.4°), the coolest 13 November (28.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 55.9° | 47.9° | +4.5° |
| 9 November – 18 November | 44.5° | 44° | +0.2° |
| 19 November – 28 November | at normal | 39.1° | — |
October records over 66 years
0
Mountain Plains, Saturday, 31 October
Overcast. High 59°, low 41°.
0.12
Mountain Plains, Sunday, 1 November
Rain. High 54°, low 43°.
0.67Mountain Plains, Monday, 2 November
Rain. High 48°, low 38°.
0.02Mountain Plains, Tuesday, 3 November
Light rain. High 53°, low 32°.
0Mountain Plains, Wednesday, 4 November
Overcast. High 54°, low 37°.
0.01Mountain Plains, Thursday, 5 November
Light rain. High 56°, low 38°.
0Mountain Plains, Friday, 6 November
Overcast. High 57°, low 41°.
0
Mountain Plains, Saturday, 7 November
Clear. High 57°, low 42°.
0Mountain Plains, Sunday, 8 November
Clear. High 68°, low 46°.
0Mountain Plains, Monday, 9 November
Overcast. High 65°, low 52°.
0Mountain Plains, Tuesday, 10 November
Overcast. High 61°, low 48°.
0.07
Mountain Plains, Wednesday, 11 November
Snow. High 45°, low 33°.
0.56Mountain Plains, Thursday, 12 November
Snow. High 34°, low 29°.
1.41Mountain Plains, Friday, 13 November
Snow. High 32°, low 29°.
0.69Mountain Plains, Saturday, 14 November
Snow. High 31°, low 29°.
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.
0.04
Mountain 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.
0.03Mountain Plains, Friday, 27 November
Climate normal for this date — 60-year average.
0.02Mountain Plains, Saturday, 28 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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