Weather in Colstrip, MT
Colstrip, Saturday, 10 October, 11:46
Overcast. Feels like 63°. High 67°, low 50°.
Monthly outlook for Colstrip, MT: average high 57.7°, average low 41.8°. That is 0.6° below the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 18 October (68.8°), the coolest 17 October (28.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 57° | 59.4° | -1.3° |
| 20 October – 29 October | 58.9° | 56.3° | +1.4° |
| 30 October – 8 November | at normal | 50.3° | — |
October records over 66 years
0.43
Colstrip, Sunday, 11 October
Rain. High 49°, low 43°.
0.2Colstrip, Monday, 12 October
Rain. High 45°, low 36°.
0Colstrip, Tuesday, 13 October
Overcast. High 51°, low 34°.
0
Colstrip, Wednesday, 14 October
Partly cloudy. High 60°, low 35°.
0
Colstrip, Thursday, 15 October
Mostly clear. High 61°, low 45°.
0Colstrip, Friday, 16 October
Mostly clear. High 44°, low 35°.
0Colstrip, Saturday, 17 October
Partly cloudy. High 60°, low 29°.
0Colstrip, Sunday, 18 October
Overcast. High 69°, low 50°.
0.01Colstrip, Monday, 19 October
Light rain. High 64°, low 53°.
0.34Colstrip, Tuesday, 20 October
Rain. High 51°, low 43°.
0Colstrip, Wednesday, 21 October
Mostly clear. High 61°, low 40°.
0
Colstrip, Thursday, 22 October
Clear. High 58°, low 43°.
0Colstrip, Friday, 23 October
Overcast. High 67°, low 44°.
0Colstrip, Saturday, 24 October
Overcast. High 65°, low 51°.
0Colstrip, Sunday, 25 October
Partly cloudy. High 51°, low 39°.
0.04Colstrip, Monday, 26 October
Climate normal for this date — 60-year average.
0.03Colstrip, Tuesday, 27 October
Climate normal for this date — 60-year average.
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.
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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