Weather in Stillman Valley, IL
Stillman Valley, Wednesday, 11 November, 08:11
Overcast. Feels like 45°. High 51°, low 38°.
Monthly outlook for Stillman Valley, IL: average high 45.3°, average low 32.8°. That is 0.4° above the climate normal for November. Precipitation is expected on 5 days (about 1.2 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 20 November (51.8°), the coolest 14 November (27.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 46.7° | 45.7° | +0.5° |
| 21 November – 30 November | 43° | 41.2° | +1° |
| 1 December – 10 December | at normal | 35.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rockford (12 mi).
0Stillman Valley, Thursday, 12 November
Overcast. High 45°, low 33°.
0Stillman Valley, Friday, 13 November
Overcast. High 42°, low 30°.
0Stillman Valley, Saturday, 14 November
Overcast. High 43°, low 27°.
0Stillman Valley, Sunday, 15 November
Overcast. High 45°, low 28°.
0Stillman Valley, Monday, 16 November
Overcast. High 48°, low 30°.
0
Stillman Valley, Tuesday, 17 November
Clear. High 47°, low 33°.
0Stillman Valley, Wednesday, 18 November
Overcast. High 48°, low 33°.
0.02
Stillman Valley, Thursday, 19 November
Light rain. High 47°, low 34°.
0.11Stillman Valley, Friday, 20 November
Light rain. High 52°, low 42°.
0.63Stillman Valley, Saturday, 21 November
Rain. High 47°, low 35°.
0Stillman Valley, Sunday, 22 November
Overcast. High 38°, low 32°.
0Stillman Valley, Monday, 23 November
Clear. High 40°, low 28°.
0
Stillman Valley, Tuesday, 24 November
Mostly clear. High 46°, low 31°.
0.07Stillman Valley, Wednesday, 25 November
Light rain. High 47°, low 36°.
0.14
Stillman Valley, Thursday, 26 November
Snow. High 40°, low 34°.
0.18
Stillman Valley, Friday, 27 November
Climate normal for this date — 60-year average.
0.11
Stillman Valley, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06Stillman Valley, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Stillman Valley, Monday, 30 November
Climate normal for this date — 60-year average.
0.11Stillman Valley, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Stillman Valley, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Stillman Valley, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Stillman Valley, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Stillman Valley, Saturday, 5 December
Climate normal for this date — 60-year average.
0.05Stillman Valley, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Stillman Valley, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Stillman Valley, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Stillman Valley, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.08Stillman Valley, Thursday, 10 December
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 Stillman Valley, 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 Stillman Valley, 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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