Weather in Sweet Grass, MT
Sweet Grass, Saturday, 7 November, 22:24
Overcast. Feels like 40°. High 59°, low 43°.
Monthly outlook for Sweet Grass, MT: average high 54.1°, average low 40.3°. That is 8.1° above the climate normal for November. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.4 inches. The warmest day looks like 12 November (64.3°), the coolest 21 November (32.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 November – 16 November | 57.7° | 41.2° | +9.2° |
| 17 November – 26 November | 48° | 36.1° | +6.6° |
| 27 November – 6 December | at normal | 32.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Sunburst (8 mi).
0Sweet Grass, Sunday, 8 November
Overcast. High 58°, low 44°.
0Sweet Grass, Monday, 9 November
Overcast. High 51°, low 38°.
0Sweet Grass, Tuesday, 10 November
Overcast. High 53°, low 43°.
0
Sweet Grass, Wednesday, 11 November
Partly cloudy. High 63°, low 41°.
0Sweet Grass, Thursday, 12 November
Partly cloudy. High 64°, low 45°.
0Sweet Grass, Friday, 13 November
Partly cloudy. High 60°, low 47°.
0
Sweet Grass, Saturday, 14 November
Mostly clear. High 60°, low 45°.
0Sweet Grass, Sunday, 15 November
Mostly clear. High 55°, low 43°.
0Sweet Grass, Monday, 16 November
Overcast. High 53°, low 41°.
0Sweet Grass, Tuesday, 17 November
Partly cloudy. High 47°, low 36°.
0Sweet Grass, Wednesday, 18 November
Overcast. High 48°, low 39°.
0Sweet Grass, Thursday, 19 November
Mostly clear. High 47°, low 34°.
0Sweet Grass, Friday, 20 November
Overcast. High 43°, low 33°.
0Sweet Grass, Saturday, 21 November
Overcast. High 49°, low 33°.
0Sweet Grass, Sunday, 22 November
Overcast. High 53°, low 41°.
0.02Sweet Grass, Monday, 23 November
Climate normal for this date — 60-year average.
0.04Sweet Grass, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.05Sweet Grass, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.04Sweet Grass, Thursday, 26 November
Climate normal for this date — 60-year average.
0.03Sweet Grass, Friday, 27 November
Climate normal for this date — 60-year average.
0.04Sweet Grass, Saturday, 28 November
Climate normal for this date — 60-year average.
0.02Sweet Grass, Sunday, 29 November
Climate normal for this date — 60-year average.
0.02Sweet Grass, Monday, 30 November
Climate normal for this date — 60-year average.
0.02Sweet Grass, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.04Sweet Grass, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.02Sweet Grass, Thursday, 3 December
Climate normal for this date — 60-year average.
0.02Sweet Grass, Friday, 4 December
Climate normal for this date — 60-year average.
0.03Sweet Grass, Saturday, 5 December
Climate normal for this date — 60-year average.
0.03Sweet Grass, Sunday, 6 December
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 Sweet Grass, 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 Sweet Grass, 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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