Weather in Mountain Glen, IL
Mountain Glen, Sunday, 18 October, 04:28
Clear. Feels like 32°. High 65°, low 35°.
0
Mountain Glen, Monday, 19 October
Mostly clear. High 70°, low 46°.
0
Mountain Glen, Tuesday, 20 October
Clear. High 71°, low 46°.
0Mountain Glen, Wednesday, 21 October
Clear. High 72°, low 48°.
0Mountain Glen, Thursday, 22 October
Clear. High 72°, low 49°.
0Mountain Glen, Friday, 23 October
Clear. High 71°, low 52°.
0
Mountain Glen, Saturday, 24 October
Overcast. High 79°, low 54°.
0Mountain Glen, Sunday, 25 October
Overcast. High 72°, low 55°.
0Mountain Glen, Monday, 26 October
Overcast. High 68°, low 50°.
0Mountain Glen, Tuesday, 27 October
Overcast. High 74°, low 54°.
0.11
Mountain Glen, Wednesday, 28 October
Light rain. High 71°, low 58°.
0.26Mountain Glen, Thursday, 29 October
Rain. High 64°, low 59°.
0Mountain Glen, Friday, 30 October
Overcast. High 76°, low 60°.
0.06Mountain Glen, Saturday, 31 October
Light rain. High 80°, low 64°.
0Mountain Glen, Sunday, 1 November
Overcast. High 82°, low 65°.
0.06Mountain Glen, Monday, 2 November
Light rain. High 79°, low 66°.
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 Mountain Glen, 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 Mountain Glen, 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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