Weather in Bismarck, IL
Bismarck, Saturday, 31 October, 15:47
Overcast. Feels like 66°. High 67°, low 54°.
Monthly outlook for Bismarck, IL: average high 57.7°, average low 49.2°. That is 2.2° above the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 3 November (72.2°), the coolest 12 November (34.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 62.7° | 55.8° | +3.8° |
| 10 November – 19 November | 49.4° | 50.2° | -0.4° |
| 20 November – 29 November | at normal | 46.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Pence (9 mi).
0.02
Bismarck, Sunday, 1 November
Light rain. High 72°, low 56°.
0Bismarck, Monday, 2 November
Light rain. High 64°, low 55°.
0Bismarck, Tuesday, 3 November
Overcast. High 72°, low 63°.
0.49Bismarck, Wednesday, 4 November
Rain. High 67°, low 59°.
0Bismarck, Thursday, 5 November
Overcast. High 63°, low 57°.
0.01Bismarck, Friday, 6 November
Light rain. High 57°, low 53°.
0.02Bismarck, Saturday, 7 November
Light rain. High 56°, low 52°.
0.01Bismarck, Sunday, 8 November
Light rain. High 56°, low 48°.
0Bismarck, Monday, 9 November
Overcast. High 53°, low 50°.
0
Bismarck, Tuesday, 10 November
Clear. High 59°, low 42°.
0Bismarck, Wednesday, 11 November
Overcast. High 55°, low 42°.
0
Bismarck, Thursday, 12 November
Mostly clear. High 49°, low 34°.
0.1Bismarck, Friday, 13 November
Light rain. High 45°, low 41°.
0.14Bismarck, Saturday, 14 November
Light rain. High 43°, low 41°.
0.01Bismarck, Sunday, 15 November
Light rain. High 46°, low 40°.
0.09
Bismarck, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Bismarck, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.14Bismarck, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08
Bismarck, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Bismarck, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Bismarck, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08Bismarck, Sunday, 22 November
Climate normal for this date — 60-year average.
0.11Bismarck, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Bismarck, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.16Bismarck, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.13Bismarck, Thursday, 26 November
Climate normal for this date — 60-year average.
0.23Bismarck, Friday, 27 November
Climate normal for this date — 60-year average.
0.13Bismarck, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Bismarck, Sunday, 29 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 Bismarck, IL 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 Bismarck, IL 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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