Weather in Clays Prairie, IL
Clays Prairie, Sunday, 9 August, 05:02
Mostly clear. Feels like 72°. High 90°, low 70°.
Monthly outlook for Clays Prairie, IL: average high 87°, average low 69.5°. That is 2.5° above the climate normal for August. Precipitation is expected on 6 days (about 1.6 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 23 August (98.6°), the coolest 14 August (61.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.2° | 82.5° | +0.4° |
| 19 August – 28 August | 93.2° | 82.8° | +5.8° |
| 29 August – 7 September | at normal | 81.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Dana (9 mi).
0.07
Clays Prairie, Monday, 10 August
Light rain. High 95°, low 76°.
0.03Clays Prairie, Tuesday, 11 August
Light rain. High 91°, low 72°.
0.21Clays Prairie, Wednesday, 12 August
Light rain. High 85°, low 68°.
0.01Clays Prairie, Thursday, 13 August
Light rain. High 83°, low 66°.
0.96Clays Prairie, Friday, 14 August
Rain. High 69°, low 61°.
0.09Clays Prairie, Saturday, 15 August
Light rain. High 76°, low 61°.
0.16Clays Prairie, Sunday, 16 August
Light rain. High 82°, low 62°.
0
Clays Prairie, Monday, 17 August
Partly cloudy. High 80°, low 68°.
0
Clays Prairie, Tuesday, 18 August
Clear. High 83°, low 65°.
0.04Clays Prairie, Wednesday, 19 August
Light rain. High 87°, low 67°.
0Clays Prairie, Thursday, 20 August
Partly cloudy. High 95°, low 73°.
0Clays Prairie, Friday, 21 August
Partly cloudy. High 92°, low 75°.
0
Clays Prairie, Saturday, 22 August
Mostly clear. High 97°, low 77°.
0
Clays Prairie, Sunday, 23 August
Overcast. High 99°, low 78°.
0.01Clays Prairie, Monday, 24 August
Light rain. High 90°, low 72°.
0.07Clays Prairie, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09
Clays Prairie, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Clays Prairie, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Clays Prairie, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Clays Prairie, Saturday, 29 August
Climate normal for this date — 60-year average.
0.1Clays Prairie, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Clays Prairie, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Clays Prairie, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Clays Prairie, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Clays Prairie, Thursday, 3 September
Climate normal for this date — 60-year average.
0.07Clays Prairie, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Clays Prairie, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06Clays Prairie, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Clays 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 Clays 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 Clays 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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