Weather in Bismarck, IL
Bismarck, Wednesday, 28 October, 23:46
Mostly clear. Feels like 60°. High 76°, low 51°.
Monthly outlook for Bismarck, IL: average high 61.6°, average low 49.1°. That is 3.4° above the climate normal for October. Precipitation is expected on 6 days (about 1.2 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 28 October (75.9°), the coolest 8 November (37.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 67.6° | 57.2° | +5.8° |
| 7 November – 16 November | 51.5° | 51.4° | +0° |
| 17 November – 26 November | at normal | 48.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Pence (9 mi).
0.06
Bismarck, Thursday, 29 October
Rain. High 75°, low 56°.
0
Bismarck, Friday, 30 October
Mostly clear. High 69°, low 48°.
0Bismarck, Saturday, 31 October
Light rain. High 65°, low 54°.
0
Bismarck, Sunday, 1 November
Overcast. High 68°, low 56°.
0.05Bismarck, Monday, 2 November
Light rain. High 63°, low 54°.
0.36Bismarck, Tuesday, 3 November
Rain. High 66°, low 62°.
0.46Bismarck, Wednesday, 4 November
Rain. High 69°, low 64°.
0.15Bismarck, Thursday, 5 November
Rain. High 67°, low 59°.
0.04Bismarck, Friday, 6 November
Light rain. High 58°, low 46°.
0
Bismarck, Saturday, 7 November
Clear. High 53°, low 41°.
0Bismarck, Sunday, 8 November
Overcast. High 51°, low 38°.
0Bismarck, Monday, 9 November
Overcast. High 55°, low 39°.
0.06Bismarck, Tuesday, 10 November
Light rain. High 52°, low 40°.
0Bismarck, Wednesday, 11 November
Overcast. High 50°, low 38°.
0Bismarck, Thursday, 12 November
Mostly clear. High 48°, low 39°.
0.07
Bismarck, Friday, 13 November
Climate normal for this date — 60-year average.
0.1Bismarck, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13
Bismarck, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09Bismarck, 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.
0.08Bismarck, 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.
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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