Weather in Grosse, SD
Grosse, Friday, 9 October, 08:30
Mostly clear. Feels like 47°. High 79°, low 48°.
Monthly outlook for Grosse, SD: average high 63.8°, average low 44.9°. That is 1.9° above the climate normal for October. Precipitation is expected on 2 days (about 0.9 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 10 October (89.8°), the coolest 17 October (28.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 64.2° | 61.3° | +1.6° |
| 19 October – 28 October | 63° | 57.8° | +2.9° |
| 29 October – 7 November | at normal | 51.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Fort Thompson (11 mi).
0
Grosse, Saturday, 10 October
Clear. High 90°, low 64°.
0
Grosse, Sunday, 11 October
Partly cloudy. High 78°, low 55°.
0.47
Grosse, Monday, 12 October
Heavy rain. High 58°, low 49°.
0.02Grosse, Tuesday, 13 October
Light rain. High 54°, low 48°.
0.43Grosse, Wednesday, 14 October
Rain. High 55°, low 44°.
0
Grosse, Thursday, 15 October
Overcast. High 64°, low 49°.
0Grosse, Friday, 16 October
Overcast. High 48°, low 39°.
0Grosse, Saturday, 17 October
Mostly clear. High 55°, low 29°.
0Grosse, Sunday, 18 October
Partly cloudy. High 62°, low 41°.
0Grosse, Monday, 19 October
Partly cloudy. High 68°, low 43°.
0Grosse, Tuesday, 20 October
Overcast. High 79°, low 47°.
0Grosse, Wednesday, 21 October
Partly cloudy. High 65°, low 52°.
0Grosse, Thursday, 22 October
Partly cloudy. High 56°, low 44°.
0Grosse, Friday, 23 October
Clear. High 49°, low 36°.
0Grosse, Saturday, 24 October
Clear. High 61°, low 30°.
0.02Grosse, Sunday, 25 October
Climate normal for this date — 60-year average.
0.02Grosse, Monday, 26 October
Climate normal for this date — 60-year average.
0.05Grosse, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.06Grosse, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Grosse, Thursday, 29 October
Climate normal for this date — 60-year average.
0.06Grosse, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Grosse, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Grosse, Sunday, 1 November
Climate normal for this date — 60-year average.
0.03Grosse, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Grosse, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Grosse, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Grosse, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Grosse, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Grosse, Saturday, 7 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 Grosse, 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 Grosse, 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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