Weather in Piegan, MT
Piegan, Sunday, 11 October, 03:18
Light snow. Feels like 21°. High 31°, low 27°.
Monthly outlook for Piegan, MT: average high 53.4°, average low 35.9°. That is 2.1° above the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 4 days and 0.7 inches. The warmest day looks like 26 October (67.9°), the coolest 12 October (22.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 51.5° | 50.5° | +0.5° |
| 21 October – 30 October | 56.5° | 46.3° | +5.7° |
| 31 October – 9 November | at normal | 40.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Heart Butte (12 mi).
0.09Piegan, Monday, 12 October
Light snow. High 33°, low 23°.
0
Piegan, Tuesday, 13 October
Clear. High 46°, low 23°.
0Piegan, Wednesday, 14 October
Clear. High 54°, low 27°.
0Piegan, Thursday, 15 October
Clear. High 52°, low 37°.
0Piegan, Friday, 16 October
Clear. High 65°, low 32°.
0
Piegan, Saturday, 17 October
Mostly clear. High 64°, low 41°.
0
Piegan, Sunday, 18 October
Overcast. High 61°, low 49°.
0Piegan, Monday, 19 October
Clear. High 55°, low 44°.
0Piegan, Tuesday, 20 October
Clear. High 53°, low 40°.
0Piegan, Wednesday, 21 October
Mostly clear. High 50°, low 34°.
0Piegan, Thursday, 22 October
Overcast. High 51°, low 38°.
0Piegan, Friday, 23 October
Clear. High 53°, low 36°.
0Piegan, Saturday, 24 October
Mostly clear. High 55°, low 36°.
0Piegan, Sunday, 25 October
Mostly clear. High 62°, low 41°.
0Piegan, Monday, 26 October
Clear. High 68°, low 44°.
0.06
Piegan, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.04Piegan, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Piegan, Thursday, 29 October
Climate normal for this date — 60-year average.
0.03Piegan, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Piegan, Saturday, 31 October
Climate normal for this date — 60-year average.
0.07
Piegan, Sunday, 1 November
Climate normal for this date — 60-year average.
0.06Piegan, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Piegan, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Piegan, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Piegan, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Piegan, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Piegan, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Piegan, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08Piegan, Monday, 9 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 Piegan, 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 Piegan, 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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