Weather in West Thumb, WY
West Thumb, Sunday, 15 November, 10:21
Mostly clear. Feels like 29°. High 40°, low 23°.
Monthly outlook for West Thumb, WY: average high 32.2°, average low 21°. That is 2.7° above the climate normal for November. Precipitation is expected on 7 days (about 1.1 inches), against a normal of 7 days and 1.6 inches. The warmest day looks like 16 November (44°), the coolest 30 November (14.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 33.8° | 28.9° | +2.7° |
| 25 November – 4 December | 29.5° | 24.5° | +2.8° |
| 5 December – 14 December | at normal | 21.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Lake (13 mi).
0
West Thumb, Monday, 16 November
Overcast. High 44°, low 27°.
0.1
West Thumb, Tuesday, 17 November
Snow. High 41°, low 26°.
0.05West Thumb, Wednesday, 18 November
Light snow. High 25°, low 19°.
0.23West Thumb, Thursday, 19 November
Snow. High 30°, low 23°.
0.33West Thumb, Friday, 20 November
Snow. High 31°, low 22°.
0.05West Thumb, Saturday, 21 November
Light snow. High 30°, low 17°.
0West Thumb, Sunday, 22 November
Overcast. High 33°, low 16°.
0.01West Thumb, Monday, 23 November
Light snow. High 30°, low 20°.
0.01West Thumb, Tuesday, 24 November
Light snow. High 34°, low 23°.
0.21West Thumb, Wednesday, 25 November
Snow. High 26°, low 18°.
0.03West Thumb, Thursday, 26 November
Light snow. High 25°, low 17°.
0West Thumb, Friday, 27 November
Light snow. High 35°, low 26°.
0.09West Thumb, Saturday, 28 November
Light snow. High 31°, low 24°.
0.02West Thumb, Sunday, 29 November
Light snow. High 28°, low 20°.
0West Thumb, Monday, 30 November
Overcast. High 32°, low 15°.
0.12
West Thumb, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.16West Thumb, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13West Thumb, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11
West Thumb, Friday, 4 December
Climate normal for this date — 60-year average.
0.09West Thumb, Saturday, 5 December
Climate normal for this date — 60-year average.
0.09West Thumb, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1West Thumb, Monday, 7 December
Climate normal for this date — 60-year average.
0.09West Thumb, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.07West Thumb, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09West Thumb, Thursday, 10 December
Climate normal for this date — 60-year average.
0.07West Thumb, Friday, 11 December
Climate normal for this date — 60-year average.
0.1West Thumb, Saturday, 12 December
Climate normal for this date — 60-year average.
0.1West Thumb, Sunday, 13 December
Climate normal for this date — 60-year average.
0.09West Thumb, Monday, 14 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 West Thumb, 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 West Thumb, 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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