Weather in Hanna, SD
Hanna, Sunday, 18 October, 18:14
Clear. Feels like 48°. High 56°, low 36°.
Monthly outlook for Hanna, SD: average high 54.4°, average low 32.8°. That is 1° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 22 October (69.4°), the coolest 1 November (7.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 58.7° | 54.9° | +2.1° |
| 28 October – 6 November | 47.1° | 48.6° | -0.8° |
| 7 November – 16 November | at normal | 44.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain Plains (14 mi).
0
Hanna, Monday, 19 October
Clear. High 55°, low 32°.
0Hanna, Tuesday, 20 October
Clear. High 67°, low 37°.
0Hanna, Wednesday, 21 October
Clear. High 65°, low 42°.
0.02
Hanna, Thursday, 22 October
Light rain. High 69°, low 53°.
0.01Hanna, Friday, 23 October
Light rain. High 61°, low 40°.
0.01Hanna, Saturday, 24 October
Light rain. High 41°, low 29°.
0Hanna, Sunday, 25 October
Clear. High 56°, low 31°.
0Hanna, Monday, 26 October
Clear. High 55°, low 38°.
0
Hanna, Tuesday, 27 October
Overcast. High 61°, low 37°.
0Hanna, Wednesday, 28 October
Overcast. High 62°, low 38°.
0Hanna, Thursday, 29 October
Overcast. High 47°, low 31°.
0Hanna, Friday, 30 October
Clear. High 56°, low 27°.
0.12Hanna, Saturday, 31 October
Light rain. High 52°, low 37°.
0.87
Hanna, Sunday, 1 November
Snow. High 31°, low 7°.
0
Hanna, Monday, 2 November
Partly cloudy. High 35°, low 9°.
0.04Hanna, Tuesday, 3 November
Climate normal for this date — 60-year average.
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.
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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