Weather in Jimtown, MT
Jimtown, Tuesday, 20 October, 18:28
Mostly clear. Feels like 60°. High 70°, low 41°.
Monthly outlook for Jimtown, MT: average high 55°, average low 35°. That is 1.3° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 21 October (74°), the coolest 27 October (24.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 56.2° | 54.7° | +0.9° |
| 30 October – 8 November | 53.1° | 48.7° | +2.4° |
| 9 November – 18 November | at normal | 44.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lame Deer (6 mi).
0
Jimtown, Wednesday, 21 October
Clear. High 74°, low 40°.
0Jimtown, Thursday, 22 October
Clear. High 73°, low 46°.
0.04
Jimtown, Friday, 23 October
Light rain. High 68°, low 42°.
0.03Jimtown, Saturday, 24 October
Light rain. High 48°, low 37°.
0Jimtown, Sunday, 25 October
Clear. High 54°, low 34°.
0.02
Jimtown, Monday, 26 October
Light snow. High 35°, low 26°.
0
Jimtown, Tuesday, 27 October
Partly cloudy. High 49°, low 24°.
0
Jimtown, Wednesday, 28 October
Overcast. High 42°, low 29°.
0Jimtown, Thursday, 29 October
Overcast. High 49°, low 27°.
0Jimtown, Friday, 30 October
Overcast. High 58°, low 39°.
0.02Jimtown, Saturday, 31 October
Light rain. High 60°, low 40°.
0.08Jimtown, Sunday, 1 November
Snow. High 47°, low 33°.
0Jimtown, Monday, 2 November
Overcast. High 48°, low 30°.
0Jimtown, Tuesday, 3 November
Overcast. High 51°, low 38°.
0Jimtown, Wednesday, 4 November
Partly cloudy. High 54°, low 33°.
0.04Jimtown, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Jimtown, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Jimtown, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Jimtown, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Jimtown, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Jimtown, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02
Jimtown, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Jimtown, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Jimtown, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Jimtown, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Jimtown, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Jimtown, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Jimtown, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Jimtown, Wednesday, 18 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 Jimtown, 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 Jimtown, 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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