Weather in Yankton, SD
Yankton, Monday, 26 October, 20:55
Overcast. Feels like 41°. High 48°, low 43°.
Monthly outlook for Yankton, SD: average high 54.7°, average low 42.9°. That is 1.2° above the climate normal for October. Precipitation is expected on 5 days (about 3.8 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 28 October (67°), the coolest 6 November (28.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 58.7° | 54.1° | +2.6° |
| 5 November – 14 November | 48.1° | 48.6° | -0.3° |
| 15 November – 24 November | at normal | 44.2° | — |
October records over 66 years
0
Yankton, Tuesday, 27 October
Clear. High 58°, low 42°.
0Yankton, Wednesday, 28 October
Overcast. High 67°, low 51°.
0
Yankton, Thursday, 29 October
Mostly clear. High 63°, low 43°.
0Yankton, Friday, 30 October
Overcast. High 65°, low 48°.
0.13
Yankton, Saturday, 31 October
Light rain. High 66°, low 55°.
0Yankton, Sunday, 1 November
Overcast. High 65°, low 48°.
1.3Yankton, Monday, 2 November
Rain. High 55°, low 51°.
1.64Yankton, Tuesday, 3 November
Rain. High 51°, low 47°.
0.09Yankton, Wednesday, 4 November
Light rain. High 48°, low 44°.
0Yankton, Thursday, 5 November
Clear. High 42°, low 35°.
0Yankton, Friday, 6 November
Clear. High 40°, low 29°.
0Yankton, Saturday, 7 November
Overcast. High 46°, low 29°.
0Yankton, Sunday, 8 November
Overcast. High 55°, low 39°.
0Yankton, Monday, 9 November
Mostly clear. High 58°, low 43°.
0.01Yankton, Tuesday, 10 November
Light rain. High 48°, low 37°.
0.05
Yankton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Yankton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Yankton, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Yankton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Yankton, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Yankton, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Yankton, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Yankton, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Yankton, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Yankton, Friday, 20 November
Climate normal for this date — 60-year average.
0.05Yankton, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Yankton, Sunday, 22 November
Climate normal for this date — 60-year average.
0.03Yankton, Monday, 23 November
Climate normal for this date — 60-year average.
0.04Yankton, Tuesday, 24 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 Yankton, 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 Yankton, 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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