Weather in St. Ignatius, MT
St. Ignatius, Friday, 6 November, 03:10
Overcast. Feels like 34°. High 45°, low 33°.
Monthly outlook for St. Ignatius, MT: average high 48.7°, average low 36.3°. That is 3.7° above the climate normal for November. Precipitation is expected on 3 days (about 0.2 inches), against a normal of 7 days and 1.5 inches. The warmest day looks like 11 November (57.3°), the coolest 19 November (25.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 6 November – 15 November | 51.3° | 43.2° | +4.5° |
| 16 November – 25 November | 44.3° | 38.6° | +3.2° |
| 26 November – 5 December | at normal | 34.7° | — |
November records over 66 years
0
St. Ignatius, Saturday, 7 November
Mostly clear. High 53°, low 41°.
0St. Ignatius, Sunday, 8 November
Overcast. High 50°, low 38°.
0St. Ignatius, Monday, 9 November
Overcast. High 44°, low 35°.
0St. Ignatius, Tuesday, 10 November
Overcast. High 54°, low 43°.
0St. Ignatius, Wednesday, 11 November
Overcast. High 57°, low 41°.
0St. Ignatius, Thursday, 12 November
Overcast. High 57°, low 40°.
0St. Ignatius, Friday, 13 November
Overcast. High 54°, low 42°.
0.05
St. Ignatius, Saturday, 14 November
Snow. High 53°, low 38°.
0.03St. Ignatius, Sunday, 15 November
Snow. High 45°, low 37°.
0
St. Ignatius, Monday, 16 November
Clear. High 48°, low 31°.
0.07St. Ignatius, Tuesday, 17 November
Light snow. High 40°, low 35°.
0.05St. Ignatius, Wednesday, 18 November
Light snow. High 42°, low 29°.
0St. Ignatius, Thursday, 19 November
Mostly clear. High 42°, low 25°.
0St. Ignatius, Friday, 20 November
Overcast. High 44°, low 35°.
0St. Ignatius, Saturday, 21 November
Overcast. High 51°, low 37°.
0.09
St. Ignatius, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09St. Ignatius, Monday, 23 November
Climate normal for this date — 60-year average.
0.14St. Ignatius, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.16St. Ignatius, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.09
St. Ignatius, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09St. Ignatius, Friday, 27 November
Climate normal for this date — 60-year average.
0.09St. Ignatius, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07St. Ignatius, Sunday, 29 November
Climate normal for this date — 60-year average.
0.09St. Ignatius, Monday, 30 November
Climate normal for this date — 60-year average.
0.11St. Ignatius, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.16St. Ignatius, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09St. Ignatius, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09St. Ignatius, Friday, 4 December
Climate normal for this date — 60-year average.
0.09St. Ignatius, Saturday, 5 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 St. Ignatius, 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 St. Ignatius, 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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