Weather in Fort Shaw, MT
Fort Shaw, Thursday, 22 October, 20:16
Clear. Feels like 55°. High 71°, low 39°.
Monthly outlook for Fort Shaw, MT: average high 41.5°, average low 24.6°. That is 4.2° below the climate normal for October. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 22 October (70.7°), the coolest 2 November (15.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 42.4° | 50.7° | -4.6° |
| 1 November – 10 November | 40.1° | 44.7° | -2.5° |
| 11 November – 20 November | at normal | 41.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Fairfield (11 mi).
0.68
Fort Shaw, Friday, 23 October
Snow. High 50°, low 27°.
0
Fort Shaw, Saturday, 24 October
Clear. High 48°, low 19°.
0Fort Shaw, Sunday, 25 October
Clear. High 40°, low 27°.
0
Fort Shaw, Monday, 26 October
Overcast. High 44°, low 29°.
0.16
Fort Shaw, Tuesday, 27 October
Light rain. High 41°, low 33°.
0.06Fort Shaw, Wednesday, 28 October
Light snow. High 40°, low 23°.
0.01Fort Shaw, Thursday, 29 October
Light snow. High 27°, low 18°.
0.18Fort Shaw, Friday, 30 October
Snow. High 28°, low 17°.
0.03Fort Shaw, Saturday, 31 October
Light snow. High 35°, low 19°.
0.23Fort Shaw, Sunday, 1 November
Snow. High 34°, low 19°.
0Fort Shaw, Monday, 2 November
Clear. High 34°, low 16°.
0
Fort Shaw, Tuesday, 3 November
Partly cloudy. High 36°, low 18°.
0Fort Shaw, Wednesday, 4 November
Overcast. High 40°, low 25°.
0Fort Shaw, Thursday, 5 November
Clear. High 46°, low 31°.
0
Fort Shaw, Friday, 6 November
Mostly clear. High 50°, low 35°.
0.03Fort Shaw, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Fort Shaw, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Fort Shaw, Monday, 9 November
Climate normal for this date — 60-year average.
0.02Fort Shaw, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Fort Shaw, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Fort Shaw, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Fort Shaw, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Fort Shaw, Saturday, 14 November
Climate normal for this date — 60-year average.
0Fort Shaw, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Fort Shaw, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Fort Shaw, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Fort Shaw, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Fort Shaw, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Fort Shaw, Friday, 20 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 Fort Shaw, 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 Fort Shaw, 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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