Weather in Willow Springs, IL
Willow Springs, Sunday, 9 August, 07:48
Clear. Feels like 71°. High 87°, low 63°.
Monthly outlook for Willow Springs, IL: average high 84°, average low 66.4°. That is 2.1° above the climate normal for August. Precipitation is expected on 10 days (about 3.0 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 23 August (97.8°), the coolest 18 August (61.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.5° | 80.2° | +1.3° |
| 19 August – 28 August | 86.4° | 80.2° | +3.4° |
| 29 August – 7 September | at normal | 78.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — La Grange (5 mi).
0.59
Willow Springs, Monday, 10 August
Heavy rain. High 92°, low 73°.
1.09Willow Springs, Tuesday, 11 August
Heavy rain. High 89°, low 67°.
0.05Willow Springs, Wednesday, 12 August
Rain. High 88°, low 68°.
0.14Willow Springs, Thursday, 13 August
Light rain. High 76°, low 65°.
0
Willow Springs, Friday, 14 August
Overcast. High 76°, low 63°.
0.03Willow Springs, Saturday, 15 August
Light rain. High 77°, low 65°.
0.24Willow Springs, Sunday, 16 August
Rain. High 80°, low 65°.
0Willow Springs, Monday, 17 August
Light rain. High 79°, low 67°.
0Willow Springs, Tuesday, 18 August
Overcast. High 81°, low 62°.
0.03Willow Springs, Wednesday, 19 August
Light rain. High 81°, low 68°.
0.16Willow Springs, Thursday, 20 August
Light rain. High 74°, low 65°.
0.3Willow Springs, Friday, 21 August
Rain. High 83°, low 62°.
0.04Willow Springs, Saturday, 22 August
Light rain. High 95°, low 66°.
0.02Willow Springs, Sunday, 23 August
Light rain. High 98°, low 73°.
0.13Willow Springs, Monday, 24 August
Light rain. High 87°, low 70°.
0.07
Willow Springs, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16
Willow Springs, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Willow Springs, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13Willow Springs, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Willow Springs, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Willow Springs, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Willow Springs, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Willow Springs, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Willow Springs, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Willow Springs, Thursday, 3 September
Climate normal for this date — 60-year average.
0.08Willow Springs, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Willow Springs, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Willow Springs, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1Willow Springs, 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 Willow Springs, 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 Willow Springs, 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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