Weather in Jolly Dump, SD
Jolly Dump, Tuesday, 13 October, 07:04
Overcast. Feels like 37°. High 46°, low 40°.
Monthly outlook for Jolly Dump, SD: average high 57.8°, average low 40.4°. That is 1.6° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 20 October (78.2°), the coolest 16 October (30.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 60° | 55.8° | +2.3° |
| 23 October – 1 November | 54.1° | 51.4° | +1.5° |
| 2 November – 11 November | at normal | 46.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain Plains (9 mi).
0.1
Jolly Dump, Wednesday, 14 October
Light rain. High 47°, low 39°.
0.03Jolly Dump, Thursday, 15 October
Light rain. High 56°, low 39°.
0
Jolly Dump, Friday, 16 October
Clear. High 58°, low 30°.
0Jolly Dump, Saturday, 17 October
Clear. High 75°, low 40°.
0Jolly Dump, Sunday, 18 October
Clear. High 65°, low 47°.
0Jolly Dump, Monday, 19 October
Clear. High 77°, low 48°.
0Jolly Dump, Tuesday, 20 October
Overcast. High 78°, low 56°.
0.01Jolly Dump, Wednesday, 21 October
Light rain. High 54°, low 42°.
0.08Jolly Dump, Thursday, 22 October
Light rain. High 45°, low 40°.
0
Jolly Dump, Friday, 23 October
Light snow. High 47°, low 37°.
0Jolly Dump, Saturday, 24 October
Clear. High 52°, low 35°.
0
Jolly Dump, Sunday, 25 October
Partly cloudy. High 54°, low 37°.
0Jolly Dump, Monday, 26 October
Overcast. High 50°, low 37°.
0Jolly Dump, Tuesday, 27 October
Clear. High 56°, low 38°.
0Jolly Dump, Wednesday, 28 October
Clear. High 65°, low 42°.
0.11
Jolly Dump, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Jolly Dump, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Jolly Dump, Saturday, 31 October
Climate normal for this date — 60-year average.
0.08Jolly Dump, Sunday, 1 November
Climate normal for this date — 60-year average.
0.05Jolly Dump, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Jolly Dump, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02
Jolly Dump, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Jolly Dump, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Jolly Dump, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Jolly Dump, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Jolly Dump, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Jolly Dump, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Jolly Dump, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Jolly Dump, Wednesday, 11 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 Jolly Dump, 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 Jolly Dump, 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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