Weather in Hanna, SD
Hanna, Saturday, 17 October, 06:22
Clear. Feels like 39°. High 70°, low 37°.
Monthly outlook for Hanna, SD: average high 51.5°, average low 33.9°. That is 1° below the climate normal for October. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 17 October (69.6°), the coolest 25 October (18.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 56.4° | 55.3° | +0.6° |
| 27 October – 5 November | 43.2° | 49.1° | -3.3° |
| 6 November – 15 November | at normal | 45.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain Plains (14 mi).
0
Hanna, Sunday, 18 October
Clear. High 57°, low 41°.
0Hanna, Monday, 19 October
Clear. High 65°, low 40°.
0Hanna, Tuesday, 20 October
Clear. High 65°, low 48°.
0.01
Hanna, Wednesday, 21 October
Light rain. High 61°, low 42°.
0.02Hanna, Thursday, 22 October
Light rain. High 67°, low 49°.
0
Hanna, Friday, 23 October
Mostly clear. High 60°, low 43°.
0.12
Hanna, Saturday, 24 October
Snow. High 34°, low 23°.
0.07Hanna, Sunday, 25 October
Light snow. High 40°, low 18°.
0
Hanna, Monday, 26 October
Overcast. High 46°, low 26°.
0Hanna, Tuesday, 27 October
Overcast. High 53°, low 37°.
0.41Hanna, Wednesday, 28 October
Snow. High 43°, low 31°.
0
Hanna, Thursday, 29 October
Partly cloudy. High 51°, low 32°.
0.2Hanna, Friday, 30 October
Snow. High 45°, low 30°.
0.12Hanna, Saturday, 31 October
Light snow. High 30°, low 24°.
0Hanna, Sunday, 1 November
Clear. High 37°, low 21°.
0.05Hanna, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Hanna, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Hanna, 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.
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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