Weather in Lily Lake, IL
Lily Lake, Sunday, 9 August, 02:57
Clear. Feels like 62°. High 83°, low 61°.
Monthly outlook for Lily Lake, IL: average high 80.5°, average low 64.7°. That is 0.4° above the climate normal for August. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 23 August (89.4°), the coolest 14 August (56.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77.8° | 79.8° | -1.1° |
| 19 August – 28 August | 85° | 79.9° | +2.8° |
| 29 August – 7 September | at normal | 78.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Elgin (10 mi).
0.37
Lily Lake, Monday, 10 August
Rain. High 88°, low 69°.
0.11Lily Lake, Tuesday, 11 August
Light rain. High 80°, low 67°.
0.01Lily Lake, Wednesday, 12 August
Light rain. High 81°, low 67°.
0
Lily Lake, Thursday, 13 August
Overcast. High 74°, low 61°.
0
Lily Lake, Friday, 14 August
Partly cloudy. High 73°, low 57°.
0.01Lily Lake, Saturday, 15 August
Light rain. High 74°, low 58°.
0.01Lily Lake, Sunday, 16 August
Light rain. High 72°, low 62°.
0.02Lily Lake, Monday, 17 August
Light rain. High 79°, low 63°.
0Lily Lake, Tuesday, 18 August
Overcast. High 75°, low 62°.
0.15Lily Lake, Wednesday, 19 August
Light rain. High 83°, low 66°.
0Lily Lake, Thursday, 20 August
Overcast. High 86°, low 73°.
0
Lily Lake, Friday, 21 August
Clear. High 83°, low 70°.
0Lily Lake, Saturday, 22 August
Clear. High 89°, low 66°.
0.02Lily Lake, Sunday, 23 August
Light rain. High 89°, low 67°.
0.02Lily Lake, Monday, 24 August
Light rain. High 80°, low 65°.
0.08Lily Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16
Lily Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Lily Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13Lily Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Lily Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Lily Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Lily Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Lily Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.04Lily Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Lily Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Lily Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Lily Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Lily Lake, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Lily Lake, 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 Lily 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 Lily 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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