Weather in Hanna, SD
Hanna, Tuesday, 20 October, 13:56
Clear. Feels like 63°. High 65°, low 37°.
Monthly outlook for Hanna, SD: average high 50.5°, average low 31.6°. That is 0.7° below the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 23 October (67.8°), the coolest 27 October (8.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 49.9° | 53.8° | -2.2° |
| 30 October – 8 November | 51.4° | 47.9° | +2° |
| 9 November – 18 November | at normal | 44° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain Plains (14 mi).
0
Hanna, Wednesday, 21 October
Mostly clear. High 60°, low 35°.
0.02
Hanna, Thursday, 22 October
Light rain. High 67°, low 51°.
0
Hanna, Friday, 23 October
Overcast. High 68°, low 46°.
0.07
Hanna, Saturday, 24 October
Snow. High 43°, low 31°.
0.31Hanna, Sunday, 25 October
Snow. High 40°, low 33°.
0.09Hanna, Monday, 26 October
Light snow. High 32°, low 17°.
0Hanna, Tuesday, 27 October
Clear. High 41°, low 8°.
0Hanna, Wednesday, 28 October
Clear. High 40°, low 22°.
0Hanna, Thursday, 29 October
Clear. High 44°, low 22°.
0Hanna, Friday, 30 October
Mostly clear. High 48°, low 26°.
0
Hanna, Saturday, 31 October
Partly cloudy. High 48°, low 31°.
0Hanna, Sunday, 1 November
Mostly clear. High 56°, low 32°.
0Hanna, Monday, 2 November
Overcast. High 58°, low 41°.
0.13Hanna, Tuesday, 3 November
Light rain. High 50°, low 38°.
0.01Hanna, Wednesday, 4 November
Light rain. High 48°, low 35°.
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.
0.05Hanna, Wednesday, 18 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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