Weather in Prairie, IL
Prairie, Tuesday, 20 October, 02:48
Clear. Feels like 54°. High 73°, low 48°.
Monthly outlook for Prairie, IL: average high 67.7°, average low 46.4°. That is 2.3° above the climate normal for October. Precipitation is expected on 1 day (about 0.2 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 25 October (78.2°), the coolest 29 October (28.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 67.9° | 64.7° | +1.8° |
| 30 October – 8 November | 67.5° | 60.5° | +3.9° |
| 9 November – 18 November | at normal | 55.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Red Bud (4 mi).
0
Prairie, Wednesday, 21 October
Partly cloudy. High 72°, low 45°.
0
Prairie, Thursday, 22 October
Clear. High 74°, low 49°.
0Prairie, Friday, 23 October
Clear. High 71°, low 51°.
0
Prairie, Saturday, 24 October
Overcast. High 71°, low 48°.
0Prairie, Sunday, 25 October
Overcast. High 78°, low 51°.
0Prairie, Monday, 26 October
Overcast. High 77°, low 61°.
0.01
Prairie, Tuesday, 27 October
Light rain. High 60°, low 43°.
0Prairie, Wednesday, 28 October
Clear. High 47°, low 31°.
0Prairie, Thursday, 29 October
Clear. High 55°, low 28°.
0Prairie, Friday, 30 October
Clear. High 64°, low 37°.
0Prairie, Saturday, 31 October
Overcast. High 70°, low 46°.
0Prairie, Sunday, 1 November
Overcast. High 73°, low 52°.
0.22Prairie, Monday, 2 November
Light rain. High 62°, low 56°.
0Prairie, Tuesday, 3 November
Clear. High 70°, low 48°.
0Prairie, Wednesday, 4 November
Clear. High 66°, low 47°.
0.15
Prairie, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Prairie, 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.
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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