Weather in Long Lake, SD
Long Lake, Thursday, 15 October, 13:54
Partly cloudy. Feels like 42°. High 50°, low 42°.
Monthly outlook for Long Lake, SD: average high 56.8°, average low 42.9°. That is 2.7° above the climate normal for October. Precipitation is expected on 7 days (about 2.4 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 22 October (70.8°), the coolest 30 October (34°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 60° | 53.3° | +3.8° |
| 25 October – 3 November | 51.3° | 48° | +1.8° |
| 4 November – 13 November | at normal | 41.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ashley (15 mi).
0
Long Lake, Friday, 16 October
Clear. High 49°, low 36°.
0Long Lake, Saturday, 17 October
Clear. High 62°, low 39°.
0Long Lake, Sunday, 18 October
Clear. High 64°, low 41°.
0Long Lake, Monday, 19 October
Clear. High 60°, low 43°.
0
Long Lake, Tuesday, 20 October
Mostly clear. High 61°, low 43°.
0Long Lake, Wednesday, 21 October
Partly cloudy. High 65°, low 48°.
0
Long Lake, Thursday, 22 October
Overcast. High 71°, low 57°.
0.7
Long Lake, Friday, 23 October
Rain. High 63°, low 50°.
0.39Long Lake, Saturday, 24 October
Rain. High 55°, low 43°.
0Long Lake, Sunday, 25 October
Overcast. High 52°, low 38°.
0.04Long Lake, Monday, 26 October
Light rain. High 58°, low 46°.
0.12Long Lake, Tuesday, 27 October
Light rain. High 51°, low 42°.
1.06Long Lake, Wednesday, 28 October
Heavy rain. High 55°, low 43°.
0Long Lake, Thursday, 29 October
Partly cloudy. High 50°, low 41°.
0.05
Long Lake, Friday, 30 October
Snow. High 42°, low 34°.
0.04Long Lake, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Long Lake, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Long Lake, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Long Lake, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Long Lake, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Long Lake, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Long Lake, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Long Lake, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Long Lake, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Long Lake, Monday, 9 November
Climate normal for this date — 60-year average.
0.07Long Lake, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Long Lake, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Long Lake, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Long Lake, Friday, 13 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 Long Lake, 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 Long Lake, 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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