Weather in Herreid, SD
Herreid, Sunday, 18 October, 16:13
Clear. Feels like 64°. High 67°, low 42°.
Monthly outlook for Herreid, SD: average high 59.2°, average low 41.4°. That is 3.5° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (73°), the coolest 2 November (16.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 63.3° | 55° | +4.6° |
| 28 October – 6 November | 52.5° | 48.4° | +2.3° |
| 7 November – 16 November | at normal | 42° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mound City (8 mi).
0Herreid, Monday, 19 October
Clear. High 63°, low 35°.
0Herreid, Tuesday, 20 October
Clear. High 68°, low 38°.
0
Herreid, Wednesday, 21 October
Mostly clear. High 66°, low 47°.
0
Herreid, Thursday, 22 October
Overcast. High 72°, low 51°.
0
Herreid, Friday, 23 October
Partly cloudy. High 73°, low 60°.
0Herreid, Saturday, 24 October
Partly cloudy. High 62°, low 45°.
0Herreid, Sunday, 25 October
Clear. High 57°, low 35°.
0.06
Herreid, Monday, 26 October
Light rain. High 51°, low 43°.
0.04Herreid, Tuesday, 27 October
Light rain. High 55°, low 43°.
0Herreid, Wednesday, 28 October
Overcast. High 64°, low 51°.
0.03Herreid, Thursday, 29 October
Light rain. High 62°, low 46°.
0Herreid, Friday, 30 October
Clear. High 59°, low 41°.
0Herreid, Saturday, 31 October
Clear. High 59°, low 43°.
0.79
Herreid, Sunday, 1 November
Snow. High 42°, low 25°.
0Herreid, Monday, 2 November
Partly cloudy. High 30°, low 17°.
0.02Herreid, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Herreid, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Herreid, 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.
0.04Herreid, 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.
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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