Weather in Stillman Valley, IL
Stillman Valley, Saturday, 14 November, 08:09
Clear. Feels like 23°. High 46°, low 29°.
Monthly outlook for Stillman Valley, IL: average high 50.1°, average low 36.1°. That is 3.8° above the climate normal for November. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 27 November (64.9°), the coolest 23 November (25.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 51.2° | 45° | +3.4° |
| 24 November – 3 December | 48.5° | 39.5° | +5° |
| 4 December – 13 December | at normal | 34.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rockford (12 mi).
0Stillman Valley, Sunday, 15 November
Clear. High 48°, low 29°.
0Stillman Valley, Monday, 16 November
Clear. High 49°, low 29°.
0
Stillman Valley, Tuesday, 17 November
Mostly clear. High 53°, low 33°.
0
Stillman Valley, Wednesday, 18 November
Overcast. High 55°, low 38°.
0.07
Stillman Valley, Thursday, 19 November
Light rain. High 57°, low 46°.
0.01Stillman Valley, Friday, 20 November
Light rain. High 55°, low 42°.
0.17Stillman Valley, Saturday, 21 November
Light rain. High 64°, low 55°.
0.03Stillman Valley, Sunday, 22 November
Light rain. High 46°, low 33°.
0Stillman Valley, Monday, 23 November
Clear. High 39°, low 26°.
0Stillman Valley, Tuesday, 24 November
Overcast. High 40°, low 26°.
0.02Stillman Valley, Wednesday, 25 November
Light rain. High 43°, low 38°.
0Stillman Valley, Thursday, 26 November
Light rain. High 51°, low 41°.
0.02Stillman Valley, Friday, 27 November
Light rain. High 65°, low 52°.
0.53Stillman Valley, Saturday, 28 November
Rain. High 58°, low 34°.
0Stillman Valley, Sunday, 29 November
Overcast. High 33°, low 26°.
0.06
Stillman Valley, Monday, 30 November
Climate normal for this date — 60-year average.
0.11
Stillman 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.
0.1Stillman Valley, Friday, 11 December
Climate normal for this date — 60-year average.
0.06Stillman Valley, Saturday, 12 December
Climate normal for this date — 60-year average.
0.05Stillman Valley, Sunday, 13 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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