Four Corners, Sunday, 18 October, 19:50
Clear. Feels like 49°. High 62°, low 36°.
Four Corners, Monday, 19 October
Overcast. High 68°, low 37°.
Four Corners, Tuesday, 20 October
Partly cloudy. High 64°, low 40°.
Four Corners, Wednesday, 21 October
Mostly clear. High 63°, low 40°.
Four Corners, Thursday, 22 October
Clear. High 68°, low 41°.
Four Corners, Friday, 23 October
Light rain. High 52°, low 44°.
Four Corners, Saturday, 24 October
Light rain. High 52°, low 40°.
Four Corners, Sunday, 25 October
Light rain. High 50°, low 36°.
Four Corners, Monday, 26 October
Clear. High 52°, low 32°.
Four Corners, Tuesday, 27 October
Mostly clear. High 58°, low 34°.
Four Corners, Wednesday, 28 October
Overcast. High 61°, low 41°.
Four Corners, Thursday, 29 October
Snow. High 42°, low 30°.
Four Corners, Friday, 30 October
Light snow. High 31°, low 18°.
Four Corners, Saturday, 31 October
Mostly clear. High 35°, low 14°.
Four Corners, Sunday, 1 November
Overcast. High 39°, low 28°.
Four Corners, Monday, 2 November
Snow. High 40°, low 31°.
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 Four Corners, MT are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
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.
They are real temperature extremes recorded in Four Corners, MT since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.