Big Delta, Sunday, 18 October, 18:07
Overcast. Feels like 26°. High 32°, low 27°.
Big Delta, Monday, 19 October
Overcast. High 38°, low 25°.
Big Delta, Tuesday, 20 October
Snow. High 33°, low 29°.
Big Delta, Wednesday, 21 October
Light snow. High 29°, low 25°.
Big Delta, Thursday, 22 October
Overcast. High 27°, low 17°.
Big Delta, Friday, 23 October
Clear. High 32°, low 14°.
Big Delta, Saturday, 24 October
Clear. High 33°, low 27°.
Big Delta, Sunday, 25 October
Overcast. High 31°, low 21°.
Big Delta, Monday, 26 October
Snow. High 34°, low 21°.
Big Delta, Tuesday, 27 October
Snow. High 32°, low 24°.
Big Delta, Wednesday, 28 October
Light snow. High 30°, low 17°.
Big Delta, Thursday, 29 October
Snow. High 33°, low 28°.
Big Delta, Friday, 30 October
Snow. High 31°, low 20°.
Big Delta, Saturday, 31 October
Light snow. High 24°, low 7°.
Big Delta, Sunday, 1 November
Light snow. High 20°, low -4°.
Big Delta, Monday, 2 November
Partly cloudy. High 15°, low -8°.
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 Big Delta, AK 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 Big Delta, AK 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.