Weather in Willow Lake, IL
Willow Lake, Saturday, 8 August, 23:59
Clear. Feels like 65°. High 82°, low 65°.
Monthly outlook for Willow Lake, IL: average high 77°, average low 60.9°. That is 1.6° below the climate normal for August. Precipitation is expected on 6 days (about 1.4 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 11 August (85.7°), the coolest 20 August (51.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 79° | 80° | -0.5° |
| 18 August – 27 August | 73.7° | 79.9° | -3.4° |
| 28 August – 6 September | at normal | 78.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Freeport (3 mi).
0.23
Willow Lake, Sunday, 9 August
Rain. High 85°, low 62°.
0.68Willow Lake, Monday, 10 August
Heavy rain. High 85°, low 70°.
0.17Willow Lake, Tuesday, 11 August
Heavy rain. High 86°, low 70°.
0
Willow Lake, Wednesday, 12 August
Overcast. High 81°, low 67°.
0Willow Lake, Thursday, 13 August
Overcast. High 71°, low 58°.
0
Willow Lake, Friday, 14 August
Mostly clear. High 77°, low 57°.
0Willow Lake, Saturday, 15 August
Overcast. High 71°, low 60°.
0Willow Lake, Sunday, 16 August
Overcast. High 72°, low 57°.
0
Willow Lake, Monday, 17 August
Partly cloudy. High 80°, low 62°.
0Willow Lake, Tuesday, 18 August
Overcast. High 84°, low 65°.
0.04Willow Lake, Wednesday, 19 August
Light rain. High 73°, low 59°.
0Willow Lake, Thursday, 20 August
Overcast. High 62°, low 52°.
0Willow Lake, Friday, 21 August
Mostly clear. High 74°, low 53°.
0.08Willow Lake, Saturday, 22 August
Light rain. High 72°, low 54°.
0
Willow Lake, Sunday, 23 August
Clear. High 77°, low 63°.
0.09Willow Lake, Monday, 24 August
Climate normal for this date — 60-year average.
0.1Willow Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.18
Willow Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Willow Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Willow Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.16Willow Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Willow Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Willow Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Willow Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Willow Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Willow Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Willow Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Willow Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.09Willow Lake, 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 Willow Lake, 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 Lake, 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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