Weather in Forest Lake, IL
Forest Lake, Saturday, 8 August, 18:56
Clear. Feels like 79°. High 82°, low 68°.
Monthly outlook for Forest Lake, IL: average high 78°, average low 62.5°. That is 0.1° above the climate normal for August. Precipitation is expected on 6 days (about 2.4 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 12 August (84.3°), the coolest 23 August (52.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 79.4° | 78.1° | +0.7° |
| 18 August – 27 August | 75.6° | 77.8° | -1.2° |
| 28 August – 6 September | at normal | 76.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Highwood (12 mi).
1.11
Forest Lake, Sunday, 9 August
Heavy rain. High 83°, low 64°.
0.22Forest Lake, Monday, 10 August
Heavy rain. High 84°, low 71°.
0.56Forest Lake, Tuesday, 11 August
Heavy rain. High 83°, low 69°.
0
Forest Lake, Wednesday, 12 August
Partly cloudy. High 84°, low 65°.
0.07Forest Lake, Thursday, 13 August
Light rain. High 70°, low 59°.
0Forest Lake, Friday, 14 August
Clear. High 74°, low 56°.
0
Forest Lake, Saturday, 15 August
Overcast. High 76°, low 56°.
0Forest Lake, Sunday, 16 August
Partly cloudy. High 77°, low 59°.
0.02Forest Lake, Monday, 17 August
Light rain. High 82°, low 67°.
0Forest Lake, Tuesday, 18 August
Partly cloudy. High 81°, low 67°.
0.33Forest Lake, Wednesday, 19 August
Rain. High 82°, low 65°.
0Forest Lake, Thursday, 20 August
Overcast. High 76°, low 64°.
0Forest Lake, Friday, 21 August
Overcast. High 78°, low 61°.
0.06Forest Lake, Saturday, 22 August
Light rain. High 71°, low 57°.
0Forest Lake, Sunday, 23 August
Clear. High 66°, low 53°.
0.11Forest Lake, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Forest Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.14
Forest Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.1Forest Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12Forest Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Forest Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Forest Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Forest Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Forest Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.04Forest Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Forest Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.08Forest Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Forest Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.09Forest 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 Forest 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 Forest 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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