Weather in Great Falls, MT
Great Falls, Saturday, 24 October, 22:06
Clear. Feels like 28°. High 42°, low 27°.
Monthly outlook for Great Falls, MT: average high 49.7°, average low 35.3°. That is 0.2° below the climate normal for October. Precipitation is expected on 3 days (about 0.2 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 8 November (64.8°), the coolest 25 October (25.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 46.4° | 51.7° | -2.9° |
| 3 November – 12 November | 55° | 46° | +5° |
| 13 November – 22 November | at normal | 42.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ulm (12 mi).
0
Great Falls, Sunday, 25 October
Overcast. High 41°, low 26°.
0Great Falls, Monday, 26 October
Overcast. High 44°, low 27°.
0.14
Great Falls, Tuesday, 27 October
Snow. High 51°, low 29°.
0
Great Falls, Wednesday, 28 October
Clear. High 52°, low 37°.
0.04Great Falls, Thursday, 29 October
Light snow. High 35°, low 30°.
0.05Great Falls, Friday, 30 October
Light snow. High 40°, low 28°.
0
Great Falls, Saturday, 31 October
Mostly clear. High 54°, low 38°.
0Great Falls, Sunday, 1 November
Mostly clear. High 50°, low 38°.
0Great Falls, Monday, 2 November
Overcast. High 55°, low 37°.
0Great Falls, Tuesday, 3 November
Overcast. High 54°, low 39°.
0Great Falls, Wednesday, 4 November
Clear. High 52°, low 40°.
0Great Falls, Thursday, 5 November
Overcast. High 57°, low 41°.
0.01
Great Falls, Friday, 6 November
Light rain. High 50°, low 39°.
0Great Falls, Saturday, 7 November
Overcast. High 53°, low 41°.
0Great Falls, Sunday, 8 November
Overcast. High 65°, low 49°.
0.05
Great Falls, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Great Falls, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.03Great Falls, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Great Falls, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Great Falls, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Great Falls, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Great Falls, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Great Falls, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Great Falls, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Great Falls, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Great Falls, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Great Falls, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Great Falls, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Great Falls, Sunday, 22 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 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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