Weather in Waterloo, MT
Waterloo, Monday, 12 October, 21:15
Mostly clear. Feels like 31°. High 37°, low 30°.
Monthly outlook for Waterloo, MT: average high 54.9°, average low 36.1°. That is 0.6° below the climate normal for October. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 4 days and 0.7 inches. The warmest day looks like 19 October (69.9°), the coolest 13 October (26.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 54.7° | 57.2° | -1.4° |
| 22 October – 31 October | 55.2° | 51.9° | +1.9° |
| 1 November – 10 November | at normal | 45.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cardwell (15 mi).
0
Waterloo, Tuesday, 13 October
Clear. High 44°, low 26°.
0
Waterloo, Wednesday, 14 October
Overcast. High 53°, low 30°.
0Waterloo, Thursday, 15 October
Clear. High 55°, low 32°.
0Waterloo, Friday, 16 October
Clear. High 62°, low 32°.
0Waterloo, Saturday, 17 October
Clear. High 64°, low 36°.
0
Waterloo, Sunday, 18 October
Mostly clear. High 65°, low 39°.
0Waterloo, Monday, 19 October
Overcast. High 70°, low 48°.
0.13
Waterloo, Tuesday, 20 October
Light rain. High 56°, low 44°.
0.06
Waterloo, Wednesday, 21 October
Snow. High 42°, low 35°.
0Waterloo, Thursday, 22 October
Light rain. High 44°, low 31°.
0.06Waterloo, Friday, 23 October
Light rain. High 46°, low 33°.
0Waterloo, Saturday, 24 October
Mostly clear. High 50°, low 31°.
0Waterloo, Sunday, 25 October
Overcast. High 58°, low 38°.
0Waterloo, Monday, 26 October
Mostly clear. High 65°, low 43°.
0Waterloo, Tuesday, 27 October
Mostly clear. High 69°, low 49°.
0.06
Waterloo, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06
Waterloo, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Waterloo, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Waterloo, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Waterloo, Sunday, 1 November
Climate normal for this date — 60-year average.
0.03Waterloo, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Waterloo, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Waterloo, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Waterloo, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Waterloo, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Waterloo, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Waterloo, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Waterloo, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Waterloo, 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 Waterloo, 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 Waterloo, 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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