Weather in Iron Lightning, SD
Iron Lightning, Sunday, 15 November, 14:48
Clear. Feels like 57°. High 59°, low 39°.
Monthly outlook for Iron Lightning, SD: average high 46.3°, average low 34°. That is 4.1° above the climate normal for November. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 18 November (59.8°), the coolest 30 November (22.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 49.6° | 41.1° | +4.7° |
| 25 November – 4 December | 40.8° | 35.1° | +3.2° |
| 5 December – 14 December | at normal | 32.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Thunder Butte (9 mi).
0
Iron Lightning, Monday, 16 November
Overcast. High 57°, low 36°.
0Iron Lightning, Tuesday, 17 November
Overcast. High 56°, low 39°.
0.01
Iron Lightning, Wednesday, 18 November
Light rain. High 60°, low 39°.
0Iron Lightning, Thursday, 19 November
Overcast. High 42°, low 35°.
0.1Iron Lightning, Friday, 20 November
Light rain. High 40°, low 33°.
0Iron Lightning, Saturday, 21 November
Overcast. High 44°, low 32°.
0Iron Lightning, Sunday, 22 November
Overcast. High 45°, low 31°.
0.02Iron Lightning, Monday, 23 November
Light rain. High 45°, low 37°.
0Iron Lightning, Tuesday, 24 November
Overcast. High 48°, low 37°.
0.13Iron Lightning, Wednesday, 25 November
Light rain. High 43°, low 37°.
0Iron Lightning, Thursday, 26 November
Overcast. High 47°, low 38°.
0Iron Lightning, Friday, 27 November
Clear. High 45°, low 33°.
0Iron Lightning, Saturday, 28 November
Overcast. High 41°, low 32°.
0Iron Lightning, Sunday, 29 November
Overcast. High 33°, low 24°.
0
Iron Lightning, Monday, 30 November
Partly cloudy. High 34°, low 23°.
0.03
Iron Lightning, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.02Iron Lightning, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.02Iron Lightning, Thursday, 3 December
Climate normal for this date — 60-year average.
0.02Iron Lightning, Friday, 4 December
Climate normal for this date — 60-year average.
0.02Iron Lightning, Saturday, 5 December
Climate normal for this date — 60-year average.
0.01Iron Lightning, Sunday, 6 December
Climate normal for this date — 60-year average.
0.03Iron Lightning, Monday, 7 December
Climate normal for this date — 60-year average.
0.02Iron Lightning, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.01Iron Lightning, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.01Iron Lightning, Thursday, 10 December
Climate normal for this date — 60-year average.
0.02Iron Lightning, Friday, 11 December
Climate normal for this date — 60-year average.
0.02Iron Lightning, Saturday, 12 December
Climate normal for this date — 60-year average.
0.03Iron Lightning, Sunday, 13 December
Climate normal for this date — 60-year average.
0.04Iron Lightning, Monday, 14 December
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 Iron Lightning, 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 Iron Lightning, 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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