Weather in Royal Heights, IL
Royal Heights, Friday, 13 November, 08:16
Overcast. Feels like 30°. High 45°, low 35°.
Monthly outlook for Royal Heights, IL: average high 50.7°, average low 34.3°. That is 1° below the climate normal for November. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 21 November (69.4°), the coolest 26 November (18.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 56.3° | 53.9° | +1.4° |
| 23 November – 2 December | 41.2° | 49.3° | -4.5° |
| 3 December – 12 December | at normal | 44.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — St. Louis (14 mi).
0
Royal Heights, Saturday, 14 November
Clear. High 48°, low 33°.
0Royal Heights, Sunday, 15 November
Overcast. High 50°, low 31°.
0Royal Heights, Monday, 16 November
Clear. High 53°, low 32°.
0
Royal Heights, Tuesday, 17 November
Partly cloudy. High 55°, low 35°.
0Royal Heights, Wednesday, 18 November
Overcast. High 61°, low 39°.
0.04
Royal Heights, Thursday, 19 November
Light rain. High 58°, low 48°.
0Royal Heights, Friday, 20 November
Overcast. High 65°, low 54°.
0Royal Heights, Saturday, 21 November
Light rain. High 69°, low 52°.
0.11Royal Heights, Sunday, 22 November
Light rain. High 59°, low 42°.
0
Royal Heights, Monday, 23 November
Mostly clear. High 47°, low 32°.
0.01
Royal Heights, Tuesday, 24 November
Light snow. High 29°, low 23°.
0Royal Heights, Wednesday, 25 November
Clear. High 35°, low 18°.
0Royal Heights, Thursday, 26 November
Clear. High 42°, low 18°.
0Royal Heights, Friday, 27 November
Clear. High 47°, low 29°.
0Royal Heights, Saturday, 28 November
Clear. High 48°, low 27°.
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.
0.07Royal Heights, Saturday, 12 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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