Weather in Bismarck, IL
Bismarck, Friday, 23 October, 00:59
Clear. Feels like 47°. High 72°, low 45°.
Monthly outlook for Bismarck, IL: average high 65.6°, average low 50.3°. That is 4.3° above the climate normal for October. Precipitation is expected on 3 days (about 1.2 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 29 October (74.8°), the coolest 5 November (39.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 70.3° | 59.3° | +6.1° |
| 2 November – 11 November | 57.8° | 54.4° | +1.9° |
| 12 November – 21 November | at normal | 49.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Pence (9 mi).
0
Bismarck, Saturday, 24 October
Overcast. High 71°, low 45°.
0
Bismarck, Sunday, 25 October
Clear. High 72°, low 48°.
0Bismarck, Monday, 26 October
Overcast. High 72°, low 49°.
0Bismarck, Tuesday, 27 October
Overcast. High 69°, low 50°.
0
Bismarck, Wednesday, 28 October
Partly cloudy. High 73°, low 54°.
0Bismarck, Thursday, 29 October
Overcast. High 75°, low 56°.
0.02
Bismarck, Friday, 30 October
Light rain. High 66°, low 58°.
0.4Bismarck, Saturday, 31 October
Rain. High 63°, low 58°.
0.13Bismarck, Sunday, 1 November
Light rain. High 71°, low 62°.
0.65Bismarck, Monday, 2 November
Rain. High 61°, low 56°.
0Bismarck, Tuesday, 3 November
Overcast. High 57°, low 52°.
0.02Bismarck, Wednesday, 4 November
Light rain. High 56°, low 45°.
0Bismarck, Thursday, 5 November
Partly cloudy. High 55°, low 40°.
0Bismarck, Friday, 6 November
Clear. High 65°, low 45°.
0Bismarck, Saturday, 7 November
Overcast. High 53°, low 43°.
0.04Bismarck, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Bismarck, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Bismarck, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Bismarck, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Bismarck, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Bismarck, 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.
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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