Weather in South Mountain, ID
South Mountain, Wednesday, 28 October, 15:31
Clear. Feels like 40°. High 42°, low 19°.
Monthly outlook for South Mountain, ID: average high 47°, average low 31.1°. That is 1.2° below the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 12 November (55.2°), the coolest 28 October (18.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 46.3° | 50.6° | -2.4° |
| 7 November – 16 November | 48.2° | 46.1° | +1.2° |
| 17 November – 26 November | at normal | 40.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cliffs (8 mi).
0
South Mountain, Thursday, 29 October
Overcast. High 50°, low 25°.
0.02
South Mountain, Friday, 30 October
Light rain. High 49°, low 34°.
0.04South Mountain, Saturday, 31 October
Light rain. High 48°, low 32°.
0.32South Mountain, Sunday, 1 November
Rain. High 38°, low 32°.
0South Mountain, Monday, 2 November
Clear. High 42°, low 27°.
0South Mountain, Tuesday, 3 November
Overcast. High 51°, low 28°.
0South Mountain, Wednesday, 4 November
Overcast. High 50°, low 34°.
0South Mountain, Thursday, 5 November
Overcast. High 48°, low 33°.
0.15South Mountain, Friday, 6 November
Rain. High 44°, low 34°.
0.04South Mountain, Saturday, 7 November
Light rain. High 44°, low 32°.
0South Mountain, Sunday, 8 November
Overcast. High 42°, low 31°.
0South Mountain, Monday, 9 November
Overcast. High 46°, low 30°.
0South Mountain, Tuesday, 10 November
Overcast. High 51°, low 36°.
0South Mountain, Wednesday, 11 November
Overcast. High 51°, low 35°.
0South Mountain, Thursday, 12 November
Clear. High 55°, low 36°.
0.05
South Mountain, Friday, 13 November
Climate normal for this date — 60-year average.
0.05South Mountain, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03
South Mountain, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05South Mountain, Monday, 16 November
Climate normal for this date — 60-year average.
0.07
South Mountain, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07South Mountain, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05South Mountain, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06South Mountain, Friday, 20 November
Climate normal for this date — 60-year average.
0.06South Mountain, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09South Mountain, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07South Mountain, Monday, 23 November
Climate normal for this date — 60-year average.
0.09South Mountain, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.08South Mountain, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06South Mountain, Thursday, 26 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 South Mountain, ID 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 South Mountain, ID 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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