Weather in East Sioux Falls, SD
East Sioux Falls, Sunday, 9 August, 07:32
Clear. Feels like 68°. High 86°, low 67°.
1.69
East Sioux Falls, Monday, 10 August
Heavy rain. High 78°, low 61°.
0.05East Sioux Falls, Tuesday, 11 August
Light rain. High 94°, low 64°.
0.01East Sioux Falls, Wednesday, 12 August
Light rain. High 92°, low 63°.
0.28East Sioux Falls, Thursday, 13 August
Rain. High 68°, low 61°.
0
East Sioux Falls, Friday, 14 August
Overcast. High 73°, low 57°.
0.03East Sioux Falls, Saturday, 15 August
Light rain. High 74°, low 62°.
0East Sioux Falls, Sunday, 16 August
Overcast. High 91°, low 64°.
0.03East Sioux Falls, Monday, 17 August
Light rain. High 88°, low 63°.
0
East Sioux Falls, Tuesday, 18 August
Partly cloudy. High 97°, low 68°.
0East Sioux Falls, Wednesday, 19 August
Overcast. High 101°, low 72°.
0.16East Sioux Falls, Thursday, 20 August
Light rain. High 85°, low 69°.
0.08East Sioux Falls, Friday, 21 August
Light rain. High 84°, low 64°.
0.08East Sioux Falls, Saturday, 22 August
Light rain. High 96°, low 67°.
0.09East Sioux Falls, Sunday, 23 August
Light rain. High 91°, low 68°.
0.14East Sioux Falls, Monday, 24 August
Rain. High 85°, low 69°.
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 East Sioux Falls, SD 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 East Sioux Falls, SD 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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