Weather in Herreid, SD
Herreid, Tuesday, 20 October, 03:30
Clear. Feels like 39°. High 71°, low 43°.
Monthly outlook for Herreid, SD: average high 57°, average low 37.6°. That is 2.9° above the climate normal for October. Precipitation is expected on 1 day (about 0.0 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 22 October (75.7°), the coolest 28 October (23.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 58.4° | 53.9° | +2.5° |
| 30 October – 8 November | 54.7° | 47.4° | +4.1° |
| 9 November – 18 November | at normal | 40.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mound City (8 mi).
0
Herreid, Wednesday, 21 October
Overcast. High 68°, low 44°.
0
Herreid, Thursday, 22 October
Clear. High 76°, low 51°.
0Herreid, Friday, 23 October
Overcast. High 73°, low 59°.
0Herreid, Saturday, 24 October
Overcast. High 67°, low 44°.
0Herreid, Sunday, 25 October
Clear. High 53°, low 34°.
0Herreid, Monday, 26 October
Overcast. High 44°, low 36°.
0Herreid, Tuesday, 27 October
Clear. High 36°, low 26°.
0Herreid, Wednesday, 28 October
Overcast. High 48°, low 24°.
0Herreid, Thursday, 29 October
Clear. High 49°, low 30°.
0Herreid, Friday, 30 October
Clear. High 48°, low 28°.
0Herreid, Saturday, 31 October
Clear. High 47°, low 30°.
0.05
Herreid, Sunday, 1 November
Light rain. High 44°, low 28°.
0Herreid, Monday, 2 November
Overcast. High 64°, low 43°.
0Herreid, Tuesday, 3 November
Clear. High 59°, low 39°.
0Herreid, Wednesday, 4 November
Overcast. High 66°, low 43°.
0.04
Herreid, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Herreid, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Herreid, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04
Herreid, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Herreid, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Herreid, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.01Herreid, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Herreid, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Herreid, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Herreid, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Herreid, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Herreid, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Herreid, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Herreid, Wednesday, 18 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 Herreid, 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 Herreid, 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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