Weather in Cooper Lake, WY
Cooper Lake, Monday, 9 November, 07:43
Mostly clear. Feels like 36°. High 61°, low 36°.
Monthly outlook for Cooper Lake, WY: average high 41.3°, average low 20.9°. That is 1.1° above the climate normal for November. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 9 November (60.7°), the coolest 23 November (-4.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 52.1° | 40.4° | +6.5° |
| 19 November – 28 November | 23.2° | 35.4° | -6.8° |
| 29 November – 8 December | at normal | 32.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rock River (13 mi).
0
Cooper Lake, Tuesday, 10 November
Partly cloudy. High 58°, low 33°.
0
Cooper Lake, Wednesday, 11 November
Clear. High 53°, low 36°.
0Cooper Lake, Thursday, 12 November
Clear. High 56°, low 31°.
0
Cooper Lake, Friday, 13 November
Overcast. High 55°, low 28°.
0
Cooper Lake, Saturday, 14 November
Light rain. High 55°, low 29°.
0Cooper Lake, Sunday, 15 November
Overcast. High 54°, low 36°.
0Cooper Lake, Monday, 16 November
Overcast. High 55°, low 38°.
0.01
Cooper Lake, Tuesday, 17 November
Light snow. High 41°, low 32°.
0.55Cooper Lake, Wednesday, 18 November
Snow. High 32°, low 23°.
0.15Cooper Lake, Thursday, 19 November
Light snow. High 24°, low 1°.
0Cooper Lake, Friday, 20 November
Partly cloudy. High 27°, low -1°.
0Cooper Lake, Saturday, 21 November
Clear. High 23°, low 10°.
0.01Cooper Lake, Sunday, 22 November
Light snow. High 21°, low -1°.
0Cooper Lake, Monday, 23 November
Mostly clear. High 20°, low -5°.
0Cooper Lake, Tuesday, 24 November
Mostly clear. High 24°, low 7°.
0.04Cooper Lake, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.09
Cooper Lake, Thursday, 26 November
Climate normal for this date — 60-year average.
0.04Cooper Lake, Friday, 27 November
Climate normal for this date — 60-year average.
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.
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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