Weather in Illco, WY
Illco, Tuesday, 13 October, 06:23
Overcast. Feels like 41°. High 50°, low 40°.
Monthly outlook for Illco, WY: average high 53.4°, average low 38.2°. That is 1.1° below the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 19 October (68.4°), the coolest 16 October (32.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 56.6° | 56.7° | -0.1° |
| 23 October – 1 November | 47.9° | 51° | -1.7° |
| 2 November – 11 November | at normal | 45.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bar Nunn (10 mi).
0.3
Illco, Wednesday, 14 October
Rain. High 49°, low 42°.
0.04Illco, Thursday, 15 October
Light rain. High 52°, low 39°.
0
Illco, Friday, 16 October
Clear. High 59°, low 32°.
0Illco, Saturday, 17 October
Clear. High 66°, low 41°.
0Illco, Sunday, 18 October
Clear. High 61°, low 42°.
0Illco, Monday, 19 October
Clear. High 68°, low 46°.
0.01Illco, Tuesday, 20 October
Light rain. High 68°, low 50°.
0.13
Illco, Wednesday, 21 October
Snow. High 46°, low 36°.
0Illco, Thursday, 22 October
Overcast. High 46°, low 35°.
0
Illco, Friday, 23 October
Partly cloudy. High 47°, low 36°.
0Illco, Saturday, 24 October
Overcast. High 43°, low 35°.
0Illco, Sunday, 25 October
Partly cloudy. High 46°, low 34°.
0.07Illco, Monday, 26 October
Snow. High 41°, low 34°.
0Illco, Tuesday, 27 October
Clear. High 47°, low 34°.
0Illco, Wednesday, 28 October
Overcast. High 63°, low 35°.
0.07Illco, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Illco, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Illco, Saturday, 31 October
Climate normal for this date — 60-year average.
0.05Illco, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Illco, Monday, 2 November
Climate normal for this date — 60-year average.
0.04
Illco, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Illco, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Illco, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Illco, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Illco, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Illco, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Illco, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Illco, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.03Illco, Wednesday, 11 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 Illco, WY 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 Illco, WY 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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