Weather in Thunder Butte, SD
Thunder Butte, Wednesday, 21 October, 07:06
Clear. Feels like 40°. High 67°, low 44°.
Monthly outlook for Thunder Butte, SD: average high 56.6°, average low 40.7°. That is 1.9° above the climate normal for October. Precipitation is expected on 5 days (about 2.5 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 23 October (78.3°), the coolest 29 October (29.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 57.8° | 55° | +1.5° |
| 31 October – 9 November | 54.6° | 48.9° | +3.2° |
| 10 November – 19 November | at normal | 43° | — |
October records over 66 years
0
Thunder Butte, Thursday, 22 October
Partly cloudy. High 75°, low 49°.
0
Thunder Butte, Friday, 23 October
Overcast. High 78°, low 58°.
0.34
Thunder Butte, Saturday, 24 October
Heavy rain. High 63°, low 44°.
0Thunder Butte, Sunday, 25 October
Light rain. High 48°, low 36°.
0.02Thunder Butte, Monday, 26 October
Light rain. High 49°, low 38°.
0.02Thunder Butte, Tuesday, 27 October
Light rain. High 49°, low 32°.
0.06
Thunder Butte, Wednesday, 28 October
Snow. High 43°, low 36°.
0
Thunder Butte, Thursday, 29 October
Clear. High 51°, low 30°.
0Thunder Butte, Friday, 30 October
Clear. High 55°, low 34°.
0Thunder Butte, Saturday, 31 October
Overcast. High 62°, low 44°.
0Thunder Butte, Sunday, 1 November
Overcast. High 62°, low 43°.
0Thunder Butte, Monday, 2 November
Overcast. High 67°, low 45°.
0.35Thunder Butte, Tuesday, 3 November
Rain. High 53°, low 51°.
1.57Thunder Butte, Wednesday, 4 November
Snow. High 50°, low 34°.
0.13Thunder Butte, Thursday, 5 November
Light snow. High 35°, low 32°.
0.02
Thunder 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.
0.02Thunder Butte, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Thunder Butte, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Thunder Butte, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Thunder Butte, Thursday, 19 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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