Weather in Hanna, SD
Hanna, Monday, 19 October, 02:08
Mostly clear. Feels like 35°. High 54°, low 36°.
Monthly outlook for Hanna, SD: average high 52.4°, average low 32.9°. That is 0.1° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 22 October (69°), the coolest 30 October (19.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 58.9° | 54.5° | +2.4° |
| 29 October – 7 November | 41.6° | 48.3° | -3.7° |
| 8 November – 17 November | at normal | 44.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain Plains (14 mi).
0
Hanna, Tuesday, 20 October
Clear. High 64°, low 33°.
0Hanna, Wednesday, 21 October
Clear. High 66°, low 41°.
0
Hanna, Thursday, 22 October
Partly cloudy. High 69°, low 53°.
0Hanna, Friday, 23 October
Partly cloudy. High 69°, low 54°.
0
Hanna, Saturday, 24 October
Overcast. High 51°, low 27°.
0Hanna, Sunday, 25 October
Partly cloudy. High 55°, low 26°.
0Hanna, Monday, 26 October
Clear. High 44°, low 27°.
0Hanna, Tuesday, 27 October
Clear. High 55°, low 28°.
0Hanna, Wednesday, 28 October
Partly cloudy. High 62°, low 44°.
0.03
Hanna, Thursday, 29 October
Light snow. High 58°, low 29°.
0.18Hanna, Friday, 30 October
Snow. High 28°, low 19°.
0Hanna, Saturday, 31 October
Overcast. High 36°, low 21°.
0.08Hanna, Sunday, 1 November
Light snow. High 39°, low 26°.
0Hanna, Monday, 2 November
Overcast. High 47°, low 31°.
0Hanna, Tuesday, 3 November
Overcast. High 42°, low 30°.
0.02
Hanna, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Hanna, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Hanna, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Hanna, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Hanna, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Hanna, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Hanna, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Hanna, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Hanna, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Hanna, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Hanna, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03Hanna, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Hanna, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Hanna, Tuesday, 17 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 Hanna, 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 Hanna, 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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