Weather in Royal Heights, IL
Royal Heights, Thursday, 12 November, 20:59
Overcast. Feels like 36°. High 51°, low 42°.
Monthly outlook for Royal Heights, IL: average high 56.1°, average low 39.4°. That is 1.8° above the climate normal for November. Precipitation is expected on 3 days (about 2.6 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 19 November (71.5°), the coolest 26 November (27.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 58° | 54° | +2.2° |
| 22 November – 1 December | 53° | 49.6° | +1.9° |
| 2 December – 11 December | at normal | 45.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — St. Louis (14 mi).
0Royal Heights, Friday, 13 November
Overcast. High 48°, low 35°.
0
Royal Heights, Saturday, 14 November
Clear. High 50°, low 34°.
0
Royal Heights, Sunday, 15 November
Partly cloudy. High 51°, low 32°.
0Royal Heights, Monday, 16 November
Clear. High 54°, low 33°.
0Royal Heights, Tuesday, 17 November
Clear. High 55°, low 34°.
0Royal Heights, Wednesday, 18 November
Overcast. High 62°, low 38°.
0Royal Heights, Thursday, 19 November
Overcast. High 72°, low 47°.
0
Royal Heights, Friday, 20 November
Mostly clear. High 70°, low 52°.
0Royal Heights, Saturday, 21 November
Overcast. High 68°, low 50°.
0.01
Royal Heights, Sunday, 22 November
Light rain. High 68°, low 51°.
1.51Royal Heights, Monday, 23 November
Heavy rain. High 61°, low 56°.
0.96Royal Heights, Tuesday, 24 November
Rain. High 61°, low 38°.
0.13
Royal Heights, Wednesday, 25 November
Snow. High 38°, low 28°.
0Royal Heights, Thursday, 26 November
Overcast. High 40°, low 28°.
0Royal Heights, Friday, 27 November
Partly cloudy. High 51°, low 30°.
0.1Royal Heights, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Royal Heights, Sunday, 29 November
Climate normal for this date — 60-year average.
0.17Royal Heights, Monday, 30 November
Climate normal for this date — 60-year average.
0.11Royal Heights, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.08Royal Heights, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.11
Royal Heights, Thursday, 3 December
Climate normal for this date — 60-year average.
0.08Royal Heights, Friday, 4 December
Climate normal for this date — 60-year average.
0.09Royal Heights, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Royal Heights, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Royal Heights, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Royal Heights, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.07Royal Heights, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.12Royal Heights, Thursday, 10 December
Climate normal for this date — 60-year average.
0.1Royal Heights, Friday, 11 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 Royal Heights, 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 Royal Heights, 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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