Weather in Creve Coeur, IL
Creve Coeur, Sunday, 9 August, 11:00
Partly cloudy. Feels like 96°. High 92°, low 68°.
Monthly outlook for Creve Coeur, IL: average high 84.4°, average low 65.8°. That is 1.6° above the climate normal for August. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 11 August (99.8°), the coolest 23 August (59°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 85.2° | 81.6° | +2° |
| 19 August – 28 August | 83.1° | 81.7° | +0.8° |
| 29 August – 7 September | at normal | 80° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Peoria (8 mi).
0
Creve Coeur, Monday, 10 August
Overcast. High 98°, low 76°.
0.02
Creve Coeur, Tuesday, 11 August
Light rain. High 100°, low 73°.
0.07Creve Coeur, Wednesday, 12 August
Light rain. High 89°, low 71°.
0.76Creve Coeur, Thursday, 13 August
Rain. High 78°, low 65°.
0.34Creve Coeur, Friday, 14 August
Light rain. High 76°, low 65°.
0.28Creve Coeur, Saturday, 15 August
Rain. High 78°, low 66°.
0Creve Coeur, Sunday, 16 August
Overcast. High 81°, low 72°.
0Creve Coeur, Monday, 17 August
Partly cloudy. High 77°, low 61°.
0Creve Coeur, Tuesday, 18 August
Overcast. High 83°, low 61°.
0.01Creve Coeur, Wednesday, 19 August
Light rain. High 81°, low 66°.
0
Creve Coeur, Thursday, 20 August
Clear. High 82°, low 60°.
0.02Creve Coeur, Friday, 21 August
Light rain. High 85°, low 62°.
0Creve Coeur, Saturday, 22 August
Clear. High 87°, low 67°.
0Creve Coeur, Sunday, 23 August
Clear. High 81°, low 59°.
0Creve Coeur, Monday, 24 August
Clear. High 83°, low 60°.
0.1
Creve Coeur, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.14Creve Coeur, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Creve Coeur, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12Creve Coeur, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Creve Coeur, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Creve Coeur, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Creve Coeur, Monday, 31 August
Climate normal for this date — 60-year average.
0.17Creve Coeur, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Creve Coeur, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Creve Coeur, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Creve Coeur, Friday, 4 September
Climate normal for this date — 60-year average.
0.04
Creve Coeur, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Creve Coeur, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Creve Coeur, Monday, 7 September
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 Creve Coeur, 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 Creve Coeur, 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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