Weather in Forest River, IL
Forest River, Saturday, 10 October, 12:42
Overcast. Feels like 79°. High 79°, low 59°.
Monthly outlook for Forest River, IL: average high 61.9°, average low 48.8°. That is 1.1° above the climate normal for October. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 12 October (79.9°), the coolest 18 October (33.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 64° | 60.9° | +1.7° |
| 20 October – 29 October | 58.4° | 57.1° | +0.7° |
| 30 October – 8 November | at normal | 53.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Park Ridge (5 mi).
0
Forest River, Sunday, 11 October
Clear. High 75°, low 59°.
0Forest River, Monday, 12 October
Clear. High 80°, low 61°.
0Forest River, Tuesday, 13 October
Overcast. High 77°, low 61°.
0.07
Forest River, Wednesday, 14 October
Light rain. High 61°, low 56°.
0Forest River, Thursday, 15 October
Overcast. High 58°, low 55°.
0.04Forest River, Friday, 16 October
Light rain. High 61°, low 42°.
0Forest River, Saturday, 17 October
Overcast. High 44°, low 36°.
0
Forest River, Sunday, 18 October
Mostly clear. High 49°, low 33°.
0Forest River, Monday, 19 October
Overcast. High 56°, low 42°.
0Forest River, Tuesday, 20 October
Overcast. High 61°, low 47°.
0.11Forest River, Wednesday, 21 October
Light rain. High 58°, low 51°.
0Forest River, Thursday, 22 October
Clear. High 64°, low 47°.
0Forest River, Friday, 23 October
Clear. High 57°, low 46°.
0Forest River, Saturday, 24 October
Overcast. High 55°, low 44°.
0.3Forest River, Sunday, 25 October
Rain. High 55°, low 43°.
0.11
Forest River, Monday, 26 October
Climate normal for this date — 60-year average.
0.09
Forest River, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Forest River, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Forest River, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Forest River, Friday, 30 October
Climate normal for this date — 60-year average.
0.14Forest River, Saturday, 31 October
Climate normal for this date — 60-year average.
0.16Forest River, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Forest River, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Forest River, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Forest River, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Forest River, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Forest River, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Forest River, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Forest River, Sunday, 8 November
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 River, 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 River, 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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