Weather in Shelby, MT
Shelby, Sunday, 25 October, 14:31
Overcast. Feels like 33°. High 39°, low 28°.
Monthly outlook for Shelby, MT: average high 45.8°, average low 33.9°. That is 0.7° below the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 3 days and 0.4 inches. The warmest day looks like 31 October (50.8°), the coolest 26 October (25.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 44.3° | 48.8° | -2.5° |
| 4 November – 13 November | 48.2° | 42.9° | +2.9° |
| 14 November – 23 November | at normal | 39.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dunkirk (9 mi).
0Shelby, Monday, 26 October
Overcast. High 41°, low 26°.
0.17
Shelby, Tuesday, 27 October
Snow. High 47°, low 33°.
0.02
Shelby, Wednesday, 28 October
Light rain. High 49°, low 34°.
0Shelby, Thursday, 29 October
Overcast. High 39°, low 28°.
0Shelby, Friday, 30 October
Overcast. High 40°, low 30°.
0
Shelby, Saturday, 31 October
Partly cloudy. High 51°, low 28°.
0Shelby, Sunday, 1 November
Overcast. High 47°, low 38°.
0.09Shelby, Monday, 2 November
Snow. High 43°, low 35°.
0Shelby, Tuesday, 3 November
Partly cloudy. High 48°, low 36°.
0Shelby, Wednesday, 4 November
Partly cloudy. High 48°, low 34°.
0Shelby, Thursday, 5 November
Overcast. High 49°, low 37°.
0Shelby, Friday, 6 November
Overcast. High 50°, low 44°.
0Shelby, Saturday, 7 November
Overcast. High 48°, low 40°.
0Shelby, Sunday, 8 November
Overcast. High 48°, low 38°.
0
Shelby, Monday, 9 November
Clear. High 46°, low 33°.
0.03
Shelby, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Shelby, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Shelby, Thursday, 12 November
Climate normal for this date — 60-year average.
0.01Shelby, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Shelby, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Shelby, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Shelby, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Shelby, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Shelby, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.02Shelby, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Shelby, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Shelby, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02Shelby, Sunday, 22 November
Climate normal for this date — 60-year average.
0.01Shelby, Monday, 23 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 Shelby, 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 Shelby, 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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