Weather in Green River, IL
Green River, Sunday, 11 October, 22:18
Overcast. Feels like 71°. High 83°, low 54°.
Monthly outlook for Green River, IL: average high 65.5°, average low 50.9°. That is 2.6° above the climate normal for October. Precipitation is expected on 5 days (about 3.7 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 12 October (86.4°), the coolest 24 October (35.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 70.7° | 62° | +4.9° |
| 21 October – 30 October | 56.9° | 58.1° | -0.6° |
| 31 October – 9 November | at normal | 53.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Panorama Park (9 mi).
0
Green River, Monday, 12 October
Clear. High 86°, low 66°.
0.04
Green River, Tuesday, 13 October
Light rain. High 81°, low 67°.
0.82Green River, Wednesday, 14 October
Heavy rain. High 72°, low 62°.
0.65Green River, Thursday, 15 October
Rain. High 66°, low 60°.
0Green River, Friday, 16 October
Light rain. High 58°, low 48°.
0Green River, Saturday, 17 October
Clear. High 57°, low 42°.
0Green River, Sunday, 18 October
Clear. High 61°, low 40°.
0Green River, Monday, 19 October
Overcast. High 68°, low 46°.
0Green River, Tuesday, 20 October
Light rain. High 74°, low 55°.
1.13Green River, Wednesday, 21 October
Heavy rain. High 74°, low 60°.
0.98Green River, Thursday, 22 October
Heavy rain. High 68°, low 50°.
0Green River, Friday, 23 October
Clear. High 48°, low 42°.
0
Green River, Saturday, 24 October
Partly cloudy. High 52°, low 35°.
0.11Green River, Sunday, 25 October
Light rain. High 49°, low 44°.
0Green River, Monday, 26 October
Overcast. High 52°, low 43°.
0.07Green River, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05
Green River, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Green River, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11
Green River, Friday, 30 October
Climate normal for this date — 60-year average.
0.14Green River, Saturday, 31 October
Climate normal for this date — 60-year average.
0.17Green River, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Green River, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Green River, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Green River, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Green River, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Green River, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Green River, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Green River, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Green River, Monday, 9 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 Green 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 Green 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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