Weather in Thunder Butte, SD
Thunder Butte, Saturday, 17 October, 20:28
Overcast. Feels like 54°. High 77°, low 39°.
Monthly outlook for Thunder Butte, SD: average high 64.7°, average low 44.9°. That is 5.1° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (80.3°), the coolest 25 October (36.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 65.9° | 57.7° | +4.6° |
| 27 October – 5 November | 62.9° | 51.1° | +6.6° |
| 6 November – 15 November | at normal | 44.9° | — |
October records over 66 years
0
Thunder Butte, Sunday, 18 October
Clear. High 68°, low 47°.
0Thunder Butte, Monday, 19 October
Clear. High 62°, low 39°.
0Thunder Butte, Tuesday, 20 October
Clear. High 68°, low 45°.
0Thunder Butte, Wednesday, 21 October
Clear. High 66°, low 48°.
0
Thunder Butte, Thursday, 22 October
Partly cloudy. High 71°, low 49°.
0.04
Thunder Butte, Friday, 23 October
Light rain. High 80°, low 59°.
0.94Thunder Butte, Saturday, 24 October
Heavy rain. High 49°, low 40°.
0Thunder Butte, Sunday, 25 October
Clear. High 54°, low 36°.
0Thunder Butte, Monday, 26 October
Clear. High 63°, low 42°.
0Thunder Butte, Tuesday, 27 October
Overcast. High 65°, low 46°.
0Thunder Butte, Wednesday, 28 October
Overcast. High 67°, low 50°.
0Thunder Butte, Thursday, 29 October
Partly cloudy. High 58°, low 48°.
0Thunder Butte, Friday, 30 October
Clear. High 66°, low 45°.
0.06Thunder Butte, Saturday, 31 October
Light rain. High 57°, low 44°.
0Thunder Butte, Sunday, 1 November
Clear. High 65°, low 41°.
0.02
Thunder Butte, Monday, 2 November
Climate normal for this date — 60-year average.
0.02Thunder Butte, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Thunder Butte, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Thunder Butte, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Thunder Butte, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Thunder Butte, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Thunder Butte, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Thunder Butte, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Thunder Butte, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.01Thunder Butte, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Thunder Butte, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Thunder Butte, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Thunder Butte, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Thunder Butte, Sunday, 15 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 Thunder Butte, 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 Thunder Butte, 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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