Weather in River Sioux, IA
River Sioux, Wednesday, 21 October, 07:33
Clear. Feels like 51°. High 76°, low 52°.
0
River Sioux, Thursday, 22 October
Clear. High 76°, low 48°.
0
River Sioux, Friday, 23 October
Overcast. High 76°, low 58°.
0River Sioux, Saturday, 24 October
Overcast. High 76°, low 62°.
0River Sioux, Sunday, 25 October
Overcast. High 71°, low 55°.
0.62
River Sioux, Monday, 26 October
Rain. High 63°, low 47°.
0River Sioux, Tuesday, 27 October
Overcast. High 48°, low 41°.
0.15River Sioux, Wednesday, 28 October
Light rain. High 55°, low 46°.
0River Sioux, Thursday, 29 October
Clear. High 54°, low 39°.
0River Sioux, Friday, 30 October
Overcast. High 57°, low 41°.
0.17River Sioux, Saturday, 31 October
Light rain. High 46°, low 44°.
0.02River Sioux, Sunday, 1 November
Light rain. High 49°, low 44°.
0
River Sioux, Monday, 2 November
Partly cloudy. High 61°, low 44°.
0.1River Sioux, Tuesday, 3 November
Light rain. High 60°, low 50°.
0.18River Sioux, Wednesday, 4 November
Light rain. High 67°, low 54°.
0River Sioux, Thursday, 5 November
Overcast. High 50°, low 44°.
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 River Sioux, IA 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 River Sioux, IA 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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