Weather in Iverness, MT
Iverness, Wednesday, 21 October, 05:01
Clear. Feels like 37°. High 67°, low 38°.
Monthly outlook for Iverness, MT: average high 42.4°, average low 28.5°. That is 4.1° below the climate normal for October. Precipitation is expected on 3 days (about 1.4 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 22 October (69.5°), the coolest 28 October (15.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 44.5° | 51.6° | -3.9° |
| 31 October – 9 November | 38.9° | 45.3° | -3.6° |
| 10 November – 19 November | at normal | 40.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Chester (13 mi).
0
Iverness, Thursday, 22 October
Clear. High 69°, low 40°.
0.66
Iverness, Friday, 23 October
Rain. High 48°, low 37°.
0Iverness, Saturday, 24 October
Clear. High 42°, low 28°.
0
Iverness, Sunday, 25 October
Mostly clear. High 43°, low 28°.
0.01
Iverness, Monday, 26 October
Light snow. High 45°, low 27°.
0.18Iverness, Tuesday, 27 October
Snow. High 34°, low 22°.
0Iverness, Wednesday, 28 October
Mostly clear. High 31°, low 15°.
0Iverness, Thursday, 29 October
Mostly clear. High 32°, low 18°.
0Iverness, Friday, 30 October
Clear. High 34°, low 19°.
0
Iverness, Saturday, 31 October
Overcast. High 34°, low 30°.
0Iverness, Sunday, 1 November
Overcast. High 42°, low 33°.
0.03Iverness, Monday, 2 November
Light rain. High 54°, low 39°.
0.48Iverness, Tuesday, 3 November
Snow. High 34°, low 28°.
0Iverness, Wednesday, 4 November
Overcast. High 34°, low 28°.
0Iverness, Thursday, 5 November
Clear. High 36°, low 25°.
0.02Iverness, Friday, 6 November
Climate normal for this date — 60-year average.
0.02
Iverness, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Iverness, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Iverness, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Iverness, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Iverness, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Iverness, Thursday, 12 November
Climate normal for this date — 60-year average.
0.01Iverness, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Iverness, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Iverness, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Iverness, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Iverness, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.02Iverness, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.02Iverness, Thursday, 19 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 Iverness, 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 Iverness, 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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