Weather in Colstrip, MT
Colstrip, Saturday, 10 October, 02:11
Clear. Feels like 59°. High 70°, low 51°.
Monthly outlook for Colstrip, MT: average high 55.4°, average low 40.7°. That is 1.9° below the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 10 October (69.9°), the coolest 17 October (29.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 55.8° | 59.4° | -2° |
| 20 October – 29 October | 54.8° | 56.3° | -0.8° |
| 30 October – 8 November | at normal | 50.3° | — |
October records over 66 years
0.44
Colstrip, Sunday, 11 October
Rain. High 49°, low 41°.
0.27Colstrip, Monday, 12 October
Light rain. High 41°, low 38°.
0
Colstrip, Tuesday, 13 October
Overcast. High 56°, low 35°.
0Colstrip, Wednesday, 14 October
Overcast. High 60°, low 37°.
0
Colstrip, Thursday, 15 October
Partly cloudy. High 55°, low 40°.
0Colstrip, Friday, 16 October
Partly cloudy. High 40°, low 33°.
0
Colstrip, Saturday, 17 October
Mostly clear. High 61°, low 30°.
0
Colstrip, Sunday, 18 October
Clear. High 63°, low 44°.
0Colstrip, Monday, 19 October
Overcast. High 62°, low 46°.
0Colstrip, Tuesday, 20 October
Overcast. High 58°, low 43°.
0Colstrip, Wednesday, 21 October
Mostly clear. High 54°, low 41°.
0.01Colstrip, Thursday, 22 October
Light rain. High 55°, low 43°.
0Colstrip, Friday, 23 October
Partly cloudy. High 51°, low 41°.
0Colstrip, Saturday, 24 October
Overcast. High 54°, low 39°.
0.08Colstrip, Sunday, 25 October
Light rain. High 56°, low 49°.
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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