Weather in Prairie, IL
Prairie, Wednesday, 21 October, 04:22
Clear. Feels like 50°. High 75°, low 49°.
Monthly outlook for Prairie, IL: average high 68.8°, average low 52.2°. That is 3.2° above the climate normal for October. Precipitation is expected on 4 days (about 4.5 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 25 October (76.3°), the coolest 30 October (39.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 70.6° | 64.4° | +3.5° |
| 31 October – 9 November | 65.8° | 60.1° | +3.2° |
| 10 November – 19 November | at normal | 55.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Red Bud (4 mi).
0
Prairie, Thursday, 22 October
Clear. High 76°, low 50°.
0Prairie, Friday, 23 October
Clear. High 73°, low 52°.
0
Prairie, Saturday, 24 October
Partly cloudy. High 73°, low 50°.
0
Prairie, Sunday, 25 October
Overcast. High 76°, low 52°.
0Prairie, Monday, 26 October
Overcast. High 75°, low 53°.
0Prairie, Tuesday, 27 October
Overcast. High 63°, low 58°.
0Prairie, Wednesday, 28 October
Overcast. High 74°, low 57°.
0Prairie, Thursday, 29 October
Overcast. High 60°, low 44°.
0Prairie, Friday, 30 October
Overcast. High 59°, low 40°.
0.11
Prairie, Saturday, 31 October
Light rain. High 57°, low 46°.
1.31Prairie, Sunday, 1 November
Rain. High 58°, low 50°.
0.02Prairie, Monday, 2 November
Light rain. High 65°, low 56°.
0.49Prairie, Tuesday, 3 November
Rain. High 69°, low 51°.
2.53Prairie, Wednesday, 4 November
Heavy rain. High 72°, low 65°.
0.01Prairie, Thursday, 5 November
Light rain. High 73°, low 61°.
0.1
Prairie, Friday, 6 November
Climate normal for this date — 60-year average.
0.09
Prairie, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Prairie, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Prairie, Monday, 9 November
Climate normal for this date — 60-year average.
0.14Prairie, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Prairie, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Prairie, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Prairie, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Prairie, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15Prairie, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12Prairie, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Prairie, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Prairie, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Prairie, Thursday, 19 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 Prairie, 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 Prairie, 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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