Weather in Mortimer, IL
Mortimer, Friday, 9 October, 05:22
Mostly clear. Feels like 46°. High 83°, low 46°.
Monthly outlook for Mortimer, IL: average high 73°, average low 51.3°. That is 4.9° above the climate normal for October. Precipitation is expected on 2 days (about 1.3 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 13 October (90.9°), the coolest 18 October (37.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 75.4° | 65.6° | +5.5° |
| 19 October – 28 October | 68.9° | 60.9° | +4.4° |
| 29 October – 7 November | at normal | 57.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dana (13 mi).
0
Mortimer, Saturday, 10 October
Overcast. High 79°, low 56°.
0.02
Mortimer, Sunday, 11 October
Light rain. High 74°, low 61°.
0Mortimer, Monday, 12 October
Overcast. High 88°, low 58°.
0.01Mortimer, Tuesday, 13 October
Light rain. High 91°, low 71°.
0.64Mortimer, Wednesday, 14 October
Rain. High 77°, low 66°.
0.59Mortimer, Thursday, 15 October
Rain. High 87°, low 61°.
0.01Mortimer, Friday, 16 October
Light rain. High 72°, low 49°.
0Mortimer, Saturday, 17 October
Overcast. High 47°, low 41°.
0
Mortimer, Sunday, 18 October
Clear. High 58°, low 37°.
0Mortimer, Monday, 19 October
Overcast. High 64°, low 41°.
0Mortimer, Tuesday, 20 October
Clear. High 67°, low 43°.
0Mortimer, Wednesday, 21 October
Clear. High 70°, low 45°.
0Mortimer, Thursday, 22 October
Clear. High 71°, low 48°.
0Mortimer, Friday, 23 October
Clear. High 71°, low 49°.
0Mortimer, Saturday, 24 October
Clear. High 71°, low 48°.
0.15
Mortimer, Sunday, 25 October
Climate normal for this date — 60-year average.
0.11Mortimer, Monday, 26 October
Climate normal for this date — 60-year average.
0.09
Mortimer, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.08Mortimer, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.07Mortimer, Thursday, 29 October
Climate normal for this date — 60-year average.
0.07Mortimer, Friday, 30 October
Climate normal for this date — 60-year average.
0.13Mortimer, Saturday, 31 October
Climate normal for this date — 60-year average.
0.18Mortimer, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Mortimer, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Mortimer, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Mortimer, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Mortimer, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Mortimer, Friday, 6 November
Climate normal for this date — 60-year average.
0.12Mortimer, Saturday, 7 November
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 Mortimer, 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 Mortimer, 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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