Weather in Illco, WY
Illco, Saturday, 17 October, 03:08
Clear. Feels like 40°. High 71°, low 41°.
Monthly outlook for Illco, WY: average high 57.2°, average low 38.8°. That is 2.3° above the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 17 October (71.2°), the coolest 1 November (27.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 60.7° | 55.3° | +3° |
| 27 October – 5 November | 51.3° | 48° | +1.8° |
| 6 November – 15 November | at normal | 44.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bar Nunn (10 mi).
0
Illco, Sunday, 18 October
Clear. High 63°, low 41°.
0Illco, Monday, 19 October
Clear. High 65°, low 40°.
0Illco, Tuesday, 20 October
Clear. High 66°, low 45°.
0Illco, Wednesday, 21 October
Clear. High 67°, low 41°.
0
Illco, Thursday, 22 October
Overcast. High 69°, low 46°.
0Illco, Friday, 23 October
Overcast. High 60°, low 51°.
0.01
Illco, Saturday, 24 October
Light snow. High 44°, low 31°.
0.01Illco, Sunday, 25 October
Light snow. High 45°, low 30°.
0
Illco, Monday, 26 October
Partly cloudy. High 57°, low 38°.
0Illco, Tuesday, 27 October
Overcast. High 59°, low 44°.
0.09Illco, Wednesday, 28 October
Snow. High 51°, low 38°.
0Illco, Thursday, 29 October
Partly cloudy. High 62°, low 45°.
0.17Illco, Friday, 30 October
Snow. High 50°, low 34°.
0.11Illco, Saturday, 31 October
Snow. High 35°, low 29°.
0Illco, Sunday, 1 November
Clear. High 50°, low 28°.
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.
0.03Illco, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Illco, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Illco, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Illco, Sunday, 15 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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