Weather in Forest River, IL
Forest River, Friday, 9 October, 06:36
Overcast. Feels like 56°. High 73°, low 51°.
Monthly outlook for Forest River, IL: average high 66.3°, average low 52.5°. That is 3.3° above the climate normal for October. Precipitation is expected on 5 days (about 1.5 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 12 October (81.2°), the coolest 18 October (42.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 67.4° | 61.5° | +3.3° |
| 19 October – 28 October | 64.5° | 57.4° | +3.9° |
| 29 October – 7 November | at normal | 53.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Park Ridge (5 mi).
0Forest River, Saturday, 10 October
Overcast. High 77°, low 61°.
0Forest River, Sunday, 11 October
Overcast. High 69°, low 57°.
0.04
Forest River, Monday, 12 October
Light rain. High 81°, low 58°.
0.05Forest River, Tuesday, 13 October
Light rain. High 73°, low 61°.
0.89Forest River, Wednesday, 14 October
Rain. High 63°, low 60°.
0.52Forest River, Thursday, 15 October
Rain. High 71°, low 57°.
0Forest River, Friday, 16 October
Overcast. High 63°, low 47°.
0Forest River, Saturday, 17 October
Overcast. High 48°, low 44°.
0
Forest River, Sunday, 18 October
Partly cloudy. High 56°, low 42°.
0Forest River, Monday, 19 October
Overcast. High 62°, low 46°.
0
Forest River, Tuesday, 20 October
Clear. High 63°, low 50°.
0Forest River, Wednesday, 21 October
Clear. High 67°, low 51°.
0Forest River, Thursday, 22 October
Clear. High 66°, low 52°.
0Forest River, Friday, 23 October
Clear. High 65°, low 52°.
0Forest River, Saturday, 24 October
Clear. High 65°, low 53°.
0.11
Forest River, Sunday, 25 October
Climate normal for this date — 60-year average.
0.11Forest River, Monday, 26 October
Climate normal for this date — 60-year average.
0.09Forest 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.
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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