Weather in Old Agency, MT
Old Agency, Thursday, 12 November, 08:00
Overcast. Feels like 40°. High 54°, low 39°.
Monthly outlook for Old Agency, MT: average high 36.1°, average low 24.1°. That is 1.7° below the climate normal for November. Precipitation is expected on 7 days (about 1.4 inches), against a normal of 8 days and 1.6 inches. The warmest day looks like 15 November (55.1°), the coolest 26 November (-12.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 45.4° | 40.9° | +2.5° |
| 22 November – 1 December | 20.6° | 35.8° | -8.5° |
| 2 December – 11 December | at normal | 33.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — St. Ignatius (10 mi).
0Old Agency, Friday, 13 November
Overcast. High 53°, low 40°.
0Old Agency, Saturday, 14 November
Overcast. High 53°, low 38°.
0
Old Agency, Sunday, 15 November
Mostly clear. High 55°, low 36°.
0.13
Old Agency, Monday, 16 November
Light rain. High 48°, low 37°.
0.09
Old Agency, Tuesday, 17 November
Snow. High 45°, low 34°.
0.17Old Agency, Wednesday, 18 November
Light snow. High 39°, low 35°.
0.41Old Agency, Thursday, 19 November
Snow. High 38°, low 34°.
0Old Agency, Friday, 20 November
Overcast. High 35°, low 27°.
0.01Old Agency, Saturday, 21 November
Light snow. High 34°, low 24°.
0.04Old Agency, Sunday, 22 November
Light snow. High 35°, low 22°.
0.27Old Agency, Monday, 23 November
Snow. High 36°, low 25°.
0.2Old Agency, Tuesday, 24 November
Snow. High 24°, low 13°.
0.14Old Agency, Wednesday, 25 November
Light snow. High 14°, low 2°.
0
Old Agency, Thursday, 26 November
Clear. High 6°, low -12°.
0
Old Agency, Friday, 27 November
Partly cloudy. High 7°, low -9°.
0.09
Old Agency, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Old Agency, Sunday, 29 November
Climate normal for this date — 60-year average.
0.09Old Agency, Monday, 30 November
Climate normal for this date — 60-year average.
0.11Old Agency, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.16Old Agency, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Old Agency, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Old Agency, Friday, 4 December
Climate normal for this date — 60-year average.
0.09Old Agency, Saturday, 5 December
Climate normal for this date — 60-year average.
0.1Old Agency, Sunday, 6 December
Climate normal for this date — 60-year average.
0.08Old Agency, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Old Agency, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Old Agency, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11Old Agency, Thursday, 10 December
Climate normal for this date — 60-year average.
0.08Old Agency, 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 Old Agency, 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 Old Agency, 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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