Weather in West Yellowstone, MT
West Yellowstone, Thursday, 12 November, 06:06
Overcast. Feels like 30°. High 56°, low 30°.
Monthly outlook for West Yellowstone, MT: average high 34.5°, average low 20.5°. That is 2.7° above the climate normal for November. Precipitation is expected on 8 days (about 1.7 inches), against a normal of 6 days and 1.2 inches. The warmest day looks like 12 November (56.5°), the coolest 23 November (-1.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 39.7° | 31.5° | +4.6° |
| 22 November – 1 December | 25.8° | 26.3° | -0.3° |
| 2 December – 11 December | at normal | 23.6° | — |
November records over 66 years
0West Yellowstone, Friday, 13 November
Overcast. High 53°, low 32°.
0West Yellowstone, Saturday, 14 November
Overcast. High 39°, low 30°.
0West Yellowstone, Sunday, 15 November
Overcast. High 40°, low 28°.
0West Yellowstone, Monday, 16 November
Overcast. High 44°, low 28°.
0.03
West Yellowstone, Tuesday, 17 November
Light snow. High 42°, low 30°.
0.4West Yellowstone, Wednesday, 18 November
Snow. High 35°, low 28°.
0.26West Yellowstone, Thursday, 19 November
Snow. High 33°, low 17°.
0.41West Yellowstone, Friday, 20 November
Snow. High 29°, low 18°.
0.23West Yellowstone, Saturday, 21 November
Snow. High 26°, low 15°.
0.07West Yellowstone, Sunday, 22 November
Light snow. High 22°, low 4°.
0West Yellowstone, Monday, 23 November
Overcast. High 21°, low -2°.
0.07West Yellowstone, Tuesday, 24 November
Light snow. High 24°, low 5°.
0.11West Yellowstone, Wednesday, 25 November
Light snow. High 28°, low 19°.
0.12West Yellowstone, Thursday, 26 November
Light snow. High 28°, low 20°.
0.03West Yellowstone, Friday, 27 November
Light snow. High 32°, low 26°.
0.07
West Yellowstone, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06West Yellowstone, Sunday, 29 November
Climate normal for this date — 60-year average.
0.08West Yellowstone, Monday, 30 November
Climate normal for this date — 60-year average.
0.09
West Yellowstone, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.13West Yellowstone, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09West Yellowstone, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09West Yellowstone, Friday, 4 December
Climate normal for this date — 60-year average.
0.07West Yellowstone, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06West Yellowstone, Sunday, 6 December
Climate normal for this date — 60-year average.
0.08West Yellowstone, Monday, 7 December
Climate normal for this date — 60-year average.
0.07West Yellowstone, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.06West Yellowstone, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.06West Yellowstone, Thursday, 10 December
Climate normal for this date — 60-year average.
0.06West Yellowstone, 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 West Yellowstone, MT 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 Yellowstone, MT 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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