Weather in Dardenne Prairie, MO
Dardenne Prairie, Sunday, 9 August, 12:51
Partly cloudy. Feels like 102°. High 93°, low 72°.
Monthly outlook for Dardenne Prairie, MO: average high 96.1°, average low 69.7°. That is 5.9° above the climate normal for August. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 15 August (104.3°), the coolest 23 August (61.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 97.6° | 85.5° | +6.7° |
| 19 August – 28 August | 93.6° | 85.6° | +4.4° |
| 29 August – 7 September | at normal | 83.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — O'Fallon (2 mi).
0.01
Dardenne Prairie, Monday, 10 August
Light rain. High 101°, low 75°.
0
Dardenne Prairie, Tuesday, 11 August
Overcast. High 102°, low 76°.
0.05Dardenne Prairie, Wednesday, 12 August
Rain. High 99°, low 74°.
0.11Dardenne Prairie, Thursday, 13 August
Light rain. High 98°, low 72°.
0Dardenne Prairie, Friday, 14 August
Overcast. High 92°, low 71°.
0
Dardenne Prairie, Saturday, 15 August
Mostly clear. High 104°, low 72°.
0Dardenne Prairie, Sunday, 16 August
Partly cloudy. High 96°, low 76°.
0Dardenne Prairie, Monday, 17 August
Overcast. High 86°, low 64°.
0.15Dardenne Prairie, Tuesday, 18 August
Light rain. High 104°, low 67°.
0Dardenne Prairie, Wednesday, 19 August
Mostly clear. High 97°, low 71°.
0Dardenne Prairie, Thursday, 20 August
Mostly clear. High 89°, low 63°.
0.03Dardenne Prairie, Friday, 21 August
Light rain. High 99°, low 66°.
0
Dardenne Prairie, Saturday, 22 August
Clear. High 101°, low 72°.
0Dardenne Prairie, Sunday, 23 August
Clear. High 88°, low 62°.
0Dardenne Prairie, Monday, 24 August
Clear. High 88°, low 62°.
0.06Dardenne Prairie, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15Dardenne Prairie, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08Dardenne Prairie, Thursday, 27 August
Climate normal for this date — 60-year average.
0.08Dardenne Prairie, Friday, 28 August
Climate normal for this date — 60-year average.
0.07Dardenne Prairie, Saturday, 29 August
Climate normal for this date — 60-year average.
0.13Dardenne Prairie, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Dardenne Prairie, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Dardenne Prairie, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13
Dardenne Prairie, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Dardenne Prairie, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Dardenne Prairie, Friday, 4 September
Climate normal for this date — 60-year average.
0.04Dardenne Prairie, Saturday, 5 September
Climate normal for this date — 60-year average.
0.05Dardenne Prairie, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Dardenne Prairie, 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 Dardenne Prairie, MO 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 Dardenne Prairie, MO 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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