Weather in Rapids City, IL
Rapids City, Saturday, 8 August, 21:53
Clear. Feels like 71°. High 84°, low 68°.
Monthly outlook for Rapids City, IL: average high 79.8°, average low 63.1°. That is 0.7° below the climate normal for August. Precipitation is expected on 6 days (about 0.5 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 11 August (90.5°), the coolest 21 August (52.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 80.9° | 81.2° | -0.2° |
| 18 August – 27 August | 78° | 81.2° | -1.8° |
| 28 August – 6 September | at normal | 79.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Panorama Park (6 mi).
0
Rapids City, Sunday, 9 August
Partly cloudy. High 90°, low 64°.
0
Rapids City, Monday, 10 August
Overcast. High 89°, low 72°.
0Rapids City, Tuesday, 11 August
Overcast. High 91°, low 74°.
0.01
Rapids City, Wednesday, 12 August
Light rain. High 82°, low 69°.
0.06Rapids City, Thursday, 13 August
Light rain. High 73°, low 62°.
0Rapids City, Friday, 14 August
Partly cloudy. High 77°, low 60°.
0.05Rapids City, Saturday, 15 August
Light rain. High 66°, low 60°.
0Rapids City, Sunday, 16 August
Overcast. High 75°, low 60°.
0.07Rapids City, Monday, 17 August
Light rain. High 83°, low 65°.
0Rapids City, Tuesday, 18 August
Overcast. High 86°, low 66°.
0.13Rapids City, Wednesday, 19 August
Light rain. High 76°, low 61°.
0.09Rapids City, Thursday, 20 August
Light rain. High 70°, low 53°.
0Rapids City, Friday, 21 August
Overcast. High 73°, low 52°.
0.01Rapids City, Saturday, 22 August
Light rain. High 79°, low 57°.
0
Rapids City, Sunday, 23 August
Clear. High 83°, low 67°.
0.08Rapids City, Monday, 24 August
Climate normal for this date — 60-year average.
0.12Rapids City, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.19Rapids City, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Rapids City, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14
Rapids City, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Rapids City, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Rapids City, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Rapids City, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Rapids City, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Rapids City, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Rapids City, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Rapids City, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Rapids City, Saturday, 5 September
Climate normal for this date — 60-year average.
0.13Rapids City, Sunday, 6 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 Rapids City, 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 Rapids City, 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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