Weather in West Thumb, WY
West Thumb, Thursday, 29 October, 22:55
Overcast. Feels like 25°. High 45°, low 19°.
Monthly outlook for West Thumb, WY: average high 37.4°, average low 23.7°. That is 1.5° above the climate normal for October. Precipitation is expected on 6 days (about 1.9 inches), against a normal of 7 days and 1.5 inches. The warmest day looks like 4 November (46.1°), the coolest 12 November (13.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 40.9° | 35.7° | +2.9° |
| 8 November – 17 November | 31.6° | 32° | -0.3° |
| 18 November – 27 November | at normal | 27.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lake (13 mi).
0West Thumb, Friday, 30 October
Overcast. High 46°, low 25°.
0.2
West Thumb, Saturday, 31 October
Snow. High 39°, low 30°.
0.44West Thumb, Sunday, 1 November
Snow. High 38°, low 30°.
0.02West Thumb, Monday, 2 November
Light snow. High 32°, low 22°.
0West Thumb, Tuesday, 3 November
Overcast. High 43°, low 22°.
0West Thumb, Wednesday, 4 November
Overcast. High 46°, low 27°.
0West Thumb, Thursday, 5 November
Overcast. High 37°, low 31°.
0
West Thumb, Friday, 6 November
Clear. High 41°, low 26°.
0West Thumb, Saturday, 7 November
Clear. High 42°, low 26°.
0.02West Thumb, Sunday, 8 November
Light snow. High 34°, low 23°.
0West Thumb, Monday, 9 November
Clear. High 35°, low 22°.
0.25West Thumb, Tuesday, 10 November
Snow. High 40°, low 26°.
0.65West Thumb, Wednesday, 11 November
Snow. High 30°, low 21°.
0.07West Thumb, Thursday, 12 November
Light snow. High 26°, low 13°.
0.3West Thumb, Friday, 13 November
Snow. High 25°, low 17°.
0.1
West Thumb, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05
West Thumb, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1West Thumb, Monday, 16 November
Climate normal for this date — 60-year average.
0.1
West Thumb, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.11West Thumb, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08West Thumb, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11West Thumb, Friday, 20 November
Climate normal for this date — 60-year average.
0.09West Thumb, Saturday, 21 November
Climate normal for this date — 60-year average.
0.12West Thumb, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09West Thumb, Monday, 23 November
Climate normal for this date — 60-year average.
0.12West Thumb, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.14West Thumb, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.11West Thumb, Thursday, 26 November
Climate normal for this date — 60-year average.
0.07West Thumb, Friday, 27 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 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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