Weather in Lower Brule, SD
Lower Brule, Sunday, 11 October, 15:51
Overcast. Feels like 67°. High 69°, low 55°.
Monthly outlook for Lower Brule, SD: average high 62.5°, average low 45.8°. That is 1.7° above the climate normal for October. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 22 October (77°), the coolest 25 October (33°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 64.9° | 60.6° | +2.4° |
| 21 October – 30 October | 58.6° | 56.2° | +1.3° |
| 31 October – 9 November | at normal | 50.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Fort Thompson (9 mi).
0Lower Brule, Monday, 12 October
Overcast. High 65°, low 46°.
0Lower Brule, Tuesday, 13 October
Overcast. High 55°, low 46°.
0
Lower Brule, Wednesday, 14 October
Clear. High 59°, low 45°.
0.13
Lower Brule, Thursday, 15 October
Light rain. High 60°, low 49°.
0Lower Brule, Friday, 16 October
Clear. High 55°, low 42°.
0
Lower Brule, Saturday, 17 October
Partly cloudy. High 67°, low 43°.
0Lower Brule, Sunday, 18 October
Clear. High 77°, low 49°.
0Lower Brule, Monday, 19 October
Partly cloudy. High 70°, low 52°.
0Lower Brule, Tuesday, 20 October
Overcast. High 72°, low 50°.
0.06Lower Brule, Wednesday, 21 October
Light rain. High 68°, low 53°.
0.07Lower Brule, Thursday, 22 October
Light rain. High 77°, low 53°.
0.16Lower Brule, Friday, 23 October
Light rain. High 56°, low 45°.
0Lower Brule, Saturday, 24 October
Overcast. High 42°, low 39°.
0Lower Brule, Sunday, 25 October
Clear. High 61°, low 33°.
0Lower Brule, Monday, 26 October
Partly cloudy. High 47°, low 33°.
0.05Lower Brule, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.06
Lower Brule, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Lower Brule, Thursday, 29 October
Climate normal for this date — 60-year average.
0.06Lower Brule, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Lower Brule, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Lower Brule, Sunday, 1 November
Climate normal for this date — 60-year average.
0.03Lower Brule, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Lower Brule, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Lower Brule, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Lower Brule, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Lower Brule, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Lower Brule, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Lower Brule, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Lower Brule, Monday, 9 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 Lower Brule, 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 Lower Brule, 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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