Weather in Colstrip, MT
Colstrip, Monday, 12 October, 11:53
Overcast. Feels like 34°. High 42°, low 35°.
Monthly outlook for Colstrip, MT: average high 60.3°, average low 42.4°. That is 1.3° above the climate normal for October. Precipitation is expected on 3 days (about 1.4 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 20 October (77.4°), the coolest 13 October (34.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 62.1° | 59.1° | +1.7° |
| 22 October – 31 October | 57.4° | 54.6° | +1.6° |
| 1 November – 10 November | at normal | 49.1° | — |
October records over 66 years
0Colstrip, Tuesday, 13 October
Overcast. High 52°, low 34°.
0
Colstrip, Wednesday, 14 October
Clear. High 63°, low 37°.
0Colstrip, Thursday, 15 October
Clear. High 55°, low 40°.
0Colstrip, Friday, 16 October
Clear. High 68°, low 37°.
0Colstrip, Saturday, 17 October
Clear. High 72°, low 40°.
0Colstrip, Sunday, 18 October
Overcast. High 65°, low 51°.
0Colstrip, Monday, 19 October
Clear. High 74°, low 47°.
0
Colstrip, Tuesday, 20 October
Partly cloudy. High 77°, low 52°.
0
Colstrip, Wednesday, 21 October
Light rain. High 52°, low 42°.
0.03Colstrip, Thursday, 22 October
Light rain. High 50°, low 40°.
0.36Colstrip, Friday, 23 October
Rain. High 50°, low 43°.
0.83Colstrip, Saturday, 24 October
Rain. High 53°, low 43°.
0Colstrip, Sunday, 25 October
Partly cloudy. High 61°, low 41°.
0Colstrip, Monday, 26 October
Partly cloudy. High 68°, low 47°.
0
Colstrip, Tuesday, 27 October
Mostly clear. High 62°, low 48°.
0.05Colstrip, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Colstrip, Thursday, 29 October
Climate normal for this date — 60-year average.
0.03Colstrip, Friday, 30 October
Climate normal for this date — 60-year average.
0.03Colstrip, Saturday, 31 October
Climate normal for this date — 60-year average.
0.03Colstrip, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Colstrip, Monday, 2 November
Climate normal for this date — 60-year average.
0.02Colstrip, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Colstrip, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Colstrip, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Colstrip, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Colstrip, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Colstrip, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Colstrip, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Colstrip, Tuesday, 10 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 Colstrip, 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 Colstrip, 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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