Weather in Tattnall, MT
Tattnall, Saturday, 14 November, 06:40
Partly cloudy. Feels like 27°. High 51°, low 34°.
Monthly outlook for Tattnall, MT: average high 33.1°, average low 20.9°. That is 1.7° below the climate normal for November. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 2 days and 0.3 inches. The warmest day looks like 15 November (52.1°), the coolest 25 November (6.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 38.8° | 38.1° | +0.4° |
| 24 November – 3 December | 23.6° | 32.4° | -4.9° |
| 4 December – 13 December | at normal | 28.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Valleytown (15 mi).
0
Tattnall, Sunday, 15 November
Overcast. High 52°, low 33°.
0Tattnall, Monday, 16 November
Overcast. High 50°, low 33°.
0Tattnall, Tuesday, 17 November
Overcast. High 50°, low 38°.
0.04
Tattnall, Wednesday, 18 November
Snow. High 39°, low 33°.
0.04Tattnall, Thursday, 19 November
Light snow. High 37°, low 31°.
0.3Tattnall, Friday, 20 November
Snow. High 32°, low 20°.
0
Tattnall, Saturday, 21 November
Partly cloudy. High 23°, low 13°.
0Tattnall, Sunday, 22 November
Partly cloudy. High 23°, low 12°.
0Tattnall, Monday, 23 November
Overcast. High 31°, low 20°.
0Tattnall, Tuesday, 24 November
Overcast. High 25°, low 10°.
0
Tattnall, Wednesday, 25 November
Clear. High 18°, low 6°.
0Tattnall, Thursday, 26 November
Clear. High 23°, low 13°.
0Tattnall, Friday, 27 November
Overcast. High 25°, low 12°.
0
Tattnall, Saturday, 28 November
Mostly clear. High 25°, low 13°.
0Tattnall, Sunday, 29 November
Overcast. High 25°, low 14°.
0.02Tattnall, Monday, 30 November
Climate normal for this date — 60-year average.
0.03Tattnall, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.03Tattnall, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.02Tattnall, Thursday, 3 December
Climate normal for this date — 60-year average.
0.02Tattnall, Friday, 4 December
Climate normal for this date — 60-year average.
0.02Tattnall, Saturday, 5 December
Climate normal for this date — 60-year average.
0.02Tattnall, Sunday, 6 December
Climate normal for this date — 60-year average.
0.02Tattnall, Monday, 7 December
Climate normal for this date — 60-year average.
0.02Tattnall, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.01Tattnall, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.02Tattnall, Thursday, 10 December
Climate normal for this date — 60-year average.
0.03Tattnall, Friday, 11 December
Climate normal for this date — 60-year average.
0.03Tattnall, Saturday, 12 December
Climate normal for this date — 60-year average.
0.02Tattnall, Sunday, 13 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 Tattnall, 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 Tattnall, 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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