Weather in Hanna, SD
Hanna, Monday, 19 October, 11:06
Clear. Feels like 50°. High 53°, low 34°.
Monthly outlook for Hanna, SD: average high 52.9°, average low 33.2°. That is 0.4° 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 22 October (67.4°), the coolest 27 October (16.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 55.5° | 54.5° | +0.5° |
| 29 October – 7 November | 48.6° | 48.3° | +0.1° |
| 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).
0Hanna, Tuesday, 20 October
Clear. High 64°, low 39°.
0Hanna, Wednesday, 21 October
Clear. High 66°, low 40°.
0
Hanna, Thursday, 22 October
Overcast. High 67°, low 52°.
0Hanna, Friday, 23 October
Clear. High 66°, low 52°.
0Hanna, Saturday, 24 October
Overcast. High 48°, low 33°.
0
Hanna, Sunday, 25 October
Partly cloudy. High 56°, low 33°.
0Hanna, Monday, 26 October
Clear. High 59°, low 30°.
0.06
Hanna, Tuesday, 27 October
Light snow. High 29°, low 17°.
0Hanna, Wednesday, 28 October
Clear. High 46°, low 17°.
0Hanna, Thursday, 29 October
Partly cloudy. High 53°, low 28°.
0Hanna, Friday, 30 October
Overcast. High 50°, low 28°.
0Hanna, Saturday, 31 October
Overcast. High 47°, low 32°.
0Hanna, Sunday, 1 November
Clear. High 52°, low 30°.
0.13
Hanna, Monday, 2 November
Light rain. High 47°, low 38°.
0.03Hanna, Tuesday, 3 November
Light rain. High 43°, low 28°.
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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