Weather in South Shore, MO
South Shore, Sunday, 9 August, 12:44
Partly cloudy. Feels like 103°. High 94°, low 72°.
Monthly outlook for South Shore, MO: average high 95°, average low 71.1°. That is 5.3° 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 18 August (102.5°), the coolest 23 August (63.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 96.9° | 85.5° | +6.3° |
| 19 August – 28 August | 91.9° | 85.6° | +3.5° |
| 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 (12 mi).
0.01
South Shore, Monday, 10 August
Light rain. High 102°, low 76°.
0South Shore, Tuesday, 11 August
Light rain. High 102°, low 78°.
0.06South Shore, Wednesday, 12 August
Rain. High 100°, low 76°.
0.12South Shore, Thursday, 13 August
Rain. High 96°, low 74°.
0
South Shore, Friday, 14 August
Overcast. High 91°, low 72°.
0
South Shore, Saturday, 15 August
Mostly clear. High 101°, low 72°.
0South Shore, Sunday, 16 August
Partly cloudy. High 96°, low 76°.
0South Shore, Monday, 17 August
Overcast. High 84°, low 65°.
0.15South Shore, Tuesday, 18 August
Light rain. High 103°, low 68°.
0South Shore, Wednesday, 19 August
Mostly clear. High 96°, low 72°.
0
South Shore, Thursday, 20 August
Clear. High 86°, low 64°.
0.03South Shore, Friday, 21 August
Light rain. High 98°, low 69°.
0South Shore, Saturday, 22 August
Clear. High 98°, low 74°.
0South Shore, Sunday, 23 August
Clear. High 86°, low 63°.
0South Shore, Monday, 24 August
Clear. High 87°, low 64°.
0.06South Shore, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15South Shore, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08South Shore, Thursday, 27 August
Climate normal for this date — 60-year average.
0.08South Shore, Friday, 28 August
Climate normal for this date — 60-year average.
0.07South Shore, Saturday, 29 August
Climate normal for this date — 60-year average.
0.13South Shore, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11South Shore, Monday, 31 August
Climate normal for this date — 60-year average.
0.11South Shore, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13
South Shore, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07South Shore, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09South Shore, Friday, 4 September
Climate normal for this date — 60-year average.
0.04South Shore, Saturday, 5 September
Climate normal for this date — 60-year average.
0.05South Shore, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07South Shore, 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 South Shore, 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 South Shore, 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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