Weather in East Hannibal, IL
East Hannibal, Sunday, 9 August, 07:09
Partly cloudy. Feels like 74°. High 96°, low 73°.
Monthly outlook for East Hannibal, IL: average high 97.9°, average low 73.2°. That is 7.5° above the climate normal for August. Precipitation is expected on 8 days (about 1.2 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 20 August (116.3°), the coolest 14 August (63.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 90.8° | 84.5° | +3.5° |
| 19 August – 28 August | 109.8° | 84.5° | +14° |
| 29 August – 7 September | at normal | 82.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Palmyra (10 mi).
0
East Hannibal, Monday, 10 August
Overcast. High 98°, low 78°.
0.07
East Hannibal, Tuesday, 11 August
Light rain. High 103°, low 73°.
0.33East Hannibal, Wednesday, 12 August
Rain. High 96°, low 71°.
0.24East Hannibal, Thursday, 13 August
Light rain. High 86°, low 70°.
0.17East Hannibal, Friday, 14 August
Light rain. High 71°, low 64°.
0.19East Hannibal, Saturday, 15 August
Light rain. High 87°, low 65°.
0East Hannibal, Sunday, 16 August
Overcast. High 89°, low 71°.
0East Hannibal, Monday, 17 August
Partly cloudy. High 88°, low 69°.
0.02East Hannibal, Tuesday, 18 August
Light rain. High 95°, low 69°.
0East Hannibal, Wednesday, 19 August
Overcast. High 114°, low 76°.
0
East Hannibal, Thursday, 20 August
Clear. High 116°, low 85°.
0
East Hannibal, Friday, 21 August
Mostly clear. High 106°, low 77°.
0.06East Hannibal, Saturday, 22 August
Light rain. High 116°, low 77°.
0.07East Hannibal, Sunday, 23 August
Light rain. High 108°, low 79°.
0.05East Hannibal, Monday, 24 August
Light rain. High 99°, low 75°.
0.12East Hannibal, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15East Hannibal, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.07East Hannibal, Thursday, 27 August
Climate normal for this date — 60-year average.
0.11East Hannibal, Friday, 28 August
Climate normal for this date — 60-year average.
0.05East Hannibal, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09East Hannibal, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11East Hannibal, Monday, 31 August
Climate normal for this date — 60-year average.
0.12East Hannibal, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1East Hannibal, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1East Hannibal, Thursday, 3 September
Climate normal for this date — 60-year average.
0.07East Hannibal, Friday, 4 September
Climate normal for this date — 60-year average.
0.03East Hannibal, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06East Hannibal, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1East Hannibal, 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 East Hannibal, 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 East Hannibal, 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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