Weather in Hanna, SD
Hanna, Wednesday, 21 October, 19:47
Overcast. Feels like 52°. High 61°, low 35°.
Monthly outlook for Hanna, SD: average high 48.9°, average low 31.3°. That is 1.2° below the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 23 October (69.2°), the coolest 28 October (14.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 51.2° | 52.9° | -0.9° |
| 31 October – 9 November | 45.3° | 47.4° | -1.2° |
| 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
Hanna, Thursday, 22 October
Light rain. High 68°, low 44°.
0
Hanna, Friday, 23 October
Partly cloudy. High 69°, low 50°.
0.01Hanna, Saturday, 24 October
Light rain. High 44°, low 29°.
0.13
Hanna, Sunday, 25 October
Snow. High 35°, low 30°.
0Hanna, Monday, 26 October
Overcast. High 38°, low 32°.
0.1Hanna, Tuesday, 27 October
Snow. High 41°, low 23°.
0Hanna, Wednesday, 28 October
Light snow. High 42°, low 14°.
0Hanna, Thursday, 29 October
Overcast. High 57°, low 33°.
0Hanna, Friday, 30 October
Overcast. High 56°, low 39°.
0Hanna, Saturday, 31 October
Overcast. High 42°, low 30°.
0
Hanna, Sunday, 1 November
Clear. High 36°, low 23°.
0Hanna, Monday, 2 November
Overcast. High 45°, low 23°.
0Hanna, Tuesday, 3 November
Partly cloudy. High 55°, low 34°.
0Hanna, Wednesday, 4 November
Overcast. High 46°, low 32°.
0.03Hanna, Thursday, 5 November
Snow. High 47°, low 29°.
0.06
Hanna, 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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