Weather in Riddle Hill, IL
Riddle Hill, Sunday, 9 August, 02:41
Partly cloudy. Feels like 73°. High 93°, low 72°.
Monthly outlook for Riddle Hill, IL: average high 93.1°, average low 70.9°. That is 5.5° above the climate normal for August. Precipitation is expected on 7 days (about 1.4 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 20 August (114.4°), the coolest 14 August (62.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 87.5° | 83.2° | +2.4° |
| 19 August – 28 August | 102.5° | 83.4° | +10.6° |
| 29 August – 7 September | at normal | 81.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Springfield (6 mi).
0.01
Riddle Hill, Monday, 10 August
Light rain. High 98°, low 78°.
0.05Riddle Hill, Tuesday, 11 August
Light rain. High 98°, low 68°.
0.39Riddle Hill, Wednesday, 12 August
Rain. High 91°, low 71°.
0.09Riddle Hill, Thursday, 13 August
Light rain. High 86°, low 67°.
0.36Riddle Hill, Friday, 14 August
Rain. High 72°, low 63°.
0.23Riddle Hill, Saturday, 15 August
Light rain. High 80°, low 64°.
0.02Riddle Hill, Sunday, 16 August
Light rain. High 84°, low 65°.
0
Riddle Hill, Monday, 17 August
Overcast. High 85°, low 68°.
0Riddle Hill, Tuesday, 18 August
Overcast. High 87°, low 66°.
0
Riddle Hill, Wednesday, 19 August
Partly cloudy. High 99°, low 74°.
0Riddle Hill, Thursday, 20 August
Overcast. High 114°, low 80°.
0Riddle Hill, Friday, 21 August
Overcast. High 97°, low 76°.
0
Riddle Hill, Saturday, 22 August
Clear. High 105°, low 75°.
0.07Riddle Hill, Sunday, 23 August
Light rain. High 107°, low 75°.
0.2Riddle Hill, Monday, 24 August
Rain. High 92°, low 72°.
0.08Riddle Hill, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.11Riddle Hill, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Riddle Hill, Thursday, 27 August
Climate normal for this date — 60-year average.
0.11Riddle Hill, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Riddle Hill, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Riddle Hill, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09
Riddle Hill, Monday, 31 August
Climate normal for this date — 60-year average.
0.17Riddle Hill, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Riddle Hill, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Riddle Hill, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Riddle Hill, Friday, 4 September
Climate normal for this date — 60-year average.
0.04Riddle Hill, Saturday, 5 September
Climate normal for this date — 60-year average.
0.05Riddle Hill, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Riddle Hill, Monday, 7 September
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 Riddle Hill, 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 Riddle Hill, 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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