Weather in Hanna, SD
Hanna, Wednesday, 21 October, 00:55
Clear. Feels like 47°. High 63°, low 34°.
Monthly outlook for Hanna, SD: average high 53.9°, average low 35°. That is 1.6° above the climate normal for October. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 23 October (71.7°), the coolest 27 October (20.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 51.4° | 52.9° | -0.8° |
| 31 October – 9 November | 58.1° | 47.4° | +6° |
| 10 November – 19 November | at normal | 43.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain Plains (14 mi).
0.15
Hanna, Thursday, 22 October
Rain. High 68°, low 48°.
0
Hanna, Friday, 23 October
Mostly clear. High 72°, low 48°.
0.02
Hanna, Saturday, 24 October
Snow. High 45°, low 32°.
0.04Hanna, Sunday, 25 October
Light rain. High 45°, low 31°.
0.1Hanna, Monday, 26 October
Snow. High 35°, low 26°.
0Hanna, Tuesday, 27 October
Light snow. High 41°, low 21°.
0
Hanna, Wednesday, 28 October
Overcast. High 40°, low 25°.
0
Hanna, Thursday, 29 October
Partly cloudy. High 48°, low 27°.
0
Hanna, Friday, 30 October
Clear. High 56°, low 33°.
0Hanna, Saturday, 31 October
Partly cloudy. High 49°, low 28°.
0Hanna, Sunday, 1 November
Overcast. High 51°, low 32°.
0Hanna, Monday, 2 November
Overcast. High 58°, low 36°.
0Hanna, Tuesday, 3 November
Partly cloudy. High 65°, low 47°.
0Hanna, Wednesday, 4 November
Mostly clear. High 70°, low 47°.
0Hanna, Thursday, 5 November
Overcast. High 57°, low 47°.
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.
0.05Hanna, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Hanna, Thursday, 19 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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