Weather in Great Falls, MT
Great Falls, Sunday, 15 November, 06:27
Mostly clear. Feels like 38°. High 56°, low 36°.
Monthly outlook for Great Falls, MT: average high 45.4°, average low 34.2°. That is 3.1° above the climate normal for November. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 15 November (55.7°), the coolest 20 November (28.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 43.8° | 41.6° | +1.2° |
| 25 November – 4 December | 48.1° | 36.9° | +6.2° |
| 5 December – 14 December | at normal | 34.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Ulm (12 mi).
0
Great Falls, Monday, 16 November
Overcast. High 55°, low 36°.
0.27
Great Falls, Tuesday, 17 November
Snow. High 42°, low 34°.
0.04Great Falls, Wednesday, 18 November
Light snow. High 37°, low 31°.
0Great Falls, Thursday, 19 November
Overcast. High 37°, low 29°.
0.04Great Falls, Friday, 20 November
Light snow. High 32°, low 29°.
0Great Falls, Saturday, 21 November
Overcast. High 42°, low 30°.
0Great Falls, Sunday, 22 November
Overcast. High 44°, low 33°.
0Great Falls, Monday, 23 November
Overcast. High 45°, low 33°.
0Great Falls, Tuesday, 24 November
Overcast. High 48°, low 36°.
0Great Falls, Wednesday, 25 November
Overcast. High 47°, low 37°.
0
Great Falls, Thursday, 26 November
Light rain. High 48°, low 36°.
0Great Falls, Friday, 27 November
Overcast. High 46°, low 38°.
0.02Great Falls, Saturday, 28 November
Light rain. High 51°, low 40°.
0Great Falls, Sunday, 29 November
Overcast. High 49°, low 35°.
0
Great Falls, Monday, 30 November
Clear. High 47°, low 34°.
0.03
Great Falls, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Great Falls, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.02
Great Falls, Thursday, 3 December
Climate normal for this date — 60-year average.
0.02Great Falls, Friday, 4 December
Climate normal for this date — 60-year average.
0.03Great Falls, Saturday, 5 December
Climate normal for this date — 60-year average.
0.04Great Falls, Sunday, 6 December
Climate normal for this date — 60-year average.
0.01Great Falls, Monday, 7 December
Climate normal for this date — 60-year average.
0.02Great Falls, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.02Great Falls, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.02Great Falls, Thursday, 10 December
Climate normal for this date — 60-year average.
0.02Great Falls, Friday, 11 December
Climate normal for this date — 60-year average.
0.03Great Falls, Saturday, 12 December
Climate normal for this date — 60-year average.
0.04Great Falls, Sunday, 13 December
Climate normal for this date — 60-year average.
0.04Great Falls, 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 Great Falls, 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 Great Falls, 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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