Weather in Hanna, SD
Hanna, Thursday, 15 October, 02:36
Overcast. Feels like 33°. High 41°, low 26°.
Monthly outlook for Hanna, SD: average high 48.3°, average low 32.9°. That is 3.2° below the climate normal for October. Precipitation is expected on 4 days (about 2.6 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 17 October (72°), the coolest 16 October (20°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 55.5° | 55.5° | +0° |
| 25 October – 3 November | 36.4° | 50.2° | -7.6° |
| 4 November – 13 November | at normal | 46° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain Plains (14 mi).
0
Hanna, Friday, 16 October
Clear. High 45°, low 20°.
0Hanna, Saturday, 17 October
Clear. High 72°, low 43°.
0Hanna, Sunday, 18 October
Clear. High 57°, low 42°.
0Hanna, Monday, 19 October
Clear. High 64°, low 36°.
0Hanna, Tuesday, 20 October
Clear. High 67°, low 46°.
0
Hanna, Wednesday, 21 October
Mostly clear. High 67°, low 47°.
0.02
Hanna, Thursday, 22 October
Light rain. High 65°, low 49°.
1.84
Hanna, Friday, 23 October
Snow. High 49°, low 29°.
0.44Hanna, Saturday, 24 October
Snow. High 28°, low 22°.
0
Hanna, Sunday, 25 October
Partly cloudy. High 33°, low 21°.
0.21Hanna, Monday, 26 October
Snow. High 31°, low 26°.
0Hanna, Tuesday, 27 October
Overcast. High 34°, low 27°.
0Hanna, Wednesday, 28 October
Overcast. High 38°, low 27°.
0Hanna, Thursday, 29 October
Light rain. High 42°, low 33°.
0Hanna, Friday, 30 October
Light snow. High 41°, low 33°.
0.05Hanna, Saturday, 31 October
Climate normal for this date — 60-year average.
0.08Hanna, Sunday, 1 November
Climate normal for this date — 60-year average.
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.
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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