Weather in Argonne, SD
Argonne, Thursday, 15 October, 20:52
Partly cloudy. Feels like 39°. High 52°, low 46°.
Monthly outlook for Argonne, SD: average high 58.5°, average low 43.7°. That is 1.6° above the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 22 October (77.8°), the coolest 29 October (34.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 63.9° | 56.9° | +3.9° |
| 25 October – 3 November | 49.5° | 51.9° | -1.4° |
| 4 November – 13 November | at normal | 45.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Carthage (8 mi).
0.02
Argonne, Friday, 16 October
Light rain. High 49°, low 38°.
0
Argonne, Saturday, 17 October
Clear. High 62°, low 38°.
0Argonne, Sunday, 18 October
Clear. High 64°, low 46°.
0
Argonne, Monday, 19 October
Partly cloudy. High 63°, low 48°.
0Argonne, Tuesday, 20 October
Clear. High 67°, low 49°.
0Argonne, Wednesday, 21 October
Clear. High 70°, low 54°.
0Argonne, Thursday, 22 October
Partly cloudy. High 78°, low 57°.
0.08Argonne, Friday, 23 October
Light rain. High 73°, low 61°.
0.02Argonne, Saturday, 24 October
Light rain. High 61°, low 43°.
0
Argonne, Sunday, 25 October
Overcast. High 53°, low 37°.
0.54Argonne, Monday, 26 October
Rain. High 43°, low 36°.
0.02Argonne, Tuesday, 27 October
Light rain. High 42°, low 37°.
0.04Argonne, Wednesday, 28 October
Light rain. High 43°, low 37°.
0Argonne, Thursday, 29 October
Partly cloudy. High 58°, low 35°.
0Argonne, Friday, 30 October
Clear. High 58°, low 39°.
0.05
Argonne, Saturday, 31 October
Climate normal for this date — 60-year average.
0.05Argonne, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Argonne, Monday, 2 November
Climate normal for this date — 60-year average.
0.02Argonne, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Argonne, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Argonne, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Argonne, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Argonne, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Argonne, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Argonne, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Argonne, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.03Argonne, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Argonne, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Argonne, Friday, 13 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 Argonne, 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 Argonne, 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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