Weather in Yankton, SD
Yankton, Monday, 19 October, 02:53
Overcast. Feels like 44°. High 68°, low 44°.
Monthly outlook for Yankton, SD: average high 63.5°, average low 45.2°. That is 3.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 22 October (73.5°), the coolest 27 October (34.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 65.1° | 58.6° | +3.6° |
| 29 October – 7 November | 60.9° | 52.7° | +4.6° |
| 8 November – 17 November | at normal | 47.2° | — |
October records over 66 years
0
Yankton, Tuesday, 20 October
Mostly clear. High 69°, low 46°.
0
Yankton, Wednesday, 21 October
Clear. High 70°, low 49°.
0Yankton, Thursday, 22 October
Clear. High 74°, low 53°.
0.37
Yankton, Friday, 23 October
Rain. High 70°, low 55°.
0Yankton, Saturday, 24 October
Overcast. High 66°, low 50°.
0Yankton, Sunday, 25 October
Clear. High 62°, low 44°.
0Yankton, Monday, 26 October
Overcast. High 57°, low 44°.
0
Yankton, Tuesday, 27 October
Partly cloudy. High 52°, low 35°.
0Yankton, Wednesday, 28 October
Overcast. High 63°, low 38°.
0.14Yankton, Thursday, 29 October
Rain. High 69°, low 52°.
0.13Yankton, Friday, 30 October
Rain. High 59°, low 46°.
0Yankton, Saturday, 31 October
Overcast. High 50°, low 37°.
0Yankton, Sunday, 1 November
Overcast. High 56°, low 38°.
0Yankton, Monday, 2 November
Mostly clear. High 68°, low 41°.
0Yankton, Tuesday, 3 November
Partly cloudy. High 63°, low 51°.
0.02Yankton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Yankton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Yankton, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Yankton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Yankton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Yankton, Monday, 9 November
Climate normal for this date — 60-year average.
0.07Yankton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Yankton, 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.
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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