Weather in Cooper Lake, WY
Cooper Lake, Thursday, 12 November, 10:04
Mostly clear. Feels like 49°. High 57°, low 32°.
Monthly outlook for Cooper Lake, WY: average high 36.3°, average low 20.7°. That is 0.7° below the climate normal for November. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 4 days and 0.6 inches. The warmest day looks like 13 November (58.5°), the coolest 27 November (-13.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 47.5° | 39.4° | +4.5° |
| 22 November – 1 December | 17.5° | 33.7° | -9° |
| 2 December – 11 December | at normal | 31.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rock River (13 mi).
0
Cooper Lake, Friday, 13 November
Overcast. High 59°, low 33°.
0Cooper Lake, Saturday, 14 November
Overcast. High 49°, low 28°.
0
Cooper Lake, Sunday, 15 November
Partly cloudy. High 49°, low 30°.
0
Cooper Lake, Monday, 16 November
Clear. High 50°, low 28°.
0Cooper Lake, Tuesday, 17 November
Mostly clear. High 52°, low 29°.
0Cooper Lake, Wednesday, 18 November
Clear. High 42°, low 34°.
0Cooper Lake, Thursday, 19 November
Overcast. High 41°, low 28°.
0.02
Cooper Lake, Friday, 20 November
Light snow. High 39°, low 29°.
0.04Cooper Lake, Saturday, 21 November
Light snow. High 38°, low 25°.
0Cooper Lake, Sunday, 22 November
Clear. High 31°, low 18°.
0Cooper Lake, Monday, 23 November
Overcast. High 29°, low 16°.
0.18Cooper Lake, Tuesday, 24 November
Light snow. High 25°, low 13°.
0.2Cooper Lake, Wednesday, 25 November
Light snow. High 13°, low 8°.
0.48Cooper Lake, Thursday, 26 November
Snow. High 7°, low -6°.
0.06Cooper Lake, Friday, 27 November
Light snow. High 0°, low -13°.
0.03Cooper Lake, Saturday, 28 November
Climate normal for this date — 60-year average.
0.04Cooper Lake, Sunday, 29 November
Climate normal for this date — 60-year average.
0.03Cooper Lake, Monday, 30 November
Climate normal for this date — 60-year average.
0.05Cooper Lake, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.04Cooper Lake, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.03Cooper Lake, Thursday, 3 December
Climate normal for this date — 60-year average.
0.03Cooper Lake, Friday, 4 December
Climate normal for this date — 60-year average.
0.04Cooper Lake, Saturday, 5 December
Climate normal for this date — 60-year average.
0.04Cooper Lake, Sunday, 6 December
Climate normal for this date — 60-year average.
0.04Cooper Lake, Monday, 7 December
Climate normal for this date — 60-year average.
0.03Cooper Lake, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.04Cooper Lake, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.03Cooper Lake, Thursday, 10 December
Climate normal for this date — 60-year average.
0.02Cooper Lake, Friday, 11 December
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 Cooper Lake, 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 Cooper Lake, 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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