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As of 03:30 CDT

Weather in Sioux Center, IA

67°Current weather

Sioux Center, Sunday, 9 August, 03:30

Clear. Feels like 68°. High 85°, low 66°.

Pressure29.83 inHg
Wind7.9 mph SE
Humidity94%
Visibility6.2 mi
Dew point65°
Mon, 1089° / 64°0.53Heavy rain
89 °Heavy rain

Sioux Center, Monday, 10 August

Heavy rain. High 89°, low 64°.

Pressure29.85 inHg
Wind4 mph SE
Humidity48%
Visibility6.2 mi
Dew point62°
Tue, 1195° / 67°0.02Light rain
95 °Light rain

Sioux Center, Tuesday, 11 August

Light rain. High 95°, low 67°.

Pressure29.77 inHg
Wind11.4 mph NE
Humidity45%
Visibility6.2 mi
Dew point65°
Wed, 1291° / 64°0.19Rain
91 °Rain

Sioux Center, Wednesday, 12 August

Rain. High 91°, low 64°.

Pressure29.88 inHg
Wind11.7 mph E
Humidity40%
Visibility6.2 mi
Dew point57°
Thu, 1368° / 60°1.06Heavy rain
68 °Heavy rain

Sioux Center, Thursday, 13 August

Heavy rain. High 68°, low 60°.

Pressure30.03 inHg
Wind13.5 mph NE
Humidity98%
Visibility—
Dew point60°
Fri, 1468° / 59°0.02Light rain
68 °Light rain

Sioux Center, Friday, 14 August

Light rain. High 68°, low 59°.

Pressure30.12 inHg
Wind12.3 mph E
Humidity69%
Visibility—
Dew point56°
Sat, 1572° / 62°0Overcast
72 °Overcast

Sioux Center, Saturday, 15 August

Overcast. High 72°, low 62°.

Pressure30.15 inHg
Wind9.6 mph SE
Humidity84%
Visibility—
Dew point61°
Sun, 1682° / 65°0Overcast
82 °Overcast

Sioux Center, Sunday, 16 August

Overcast. High 82°, low 65°.

Pressure30.12 inHg
Wind8.7 mph SW
Humidity54%
Visibility—
Dew point61°
Mon, 1788° / 62°0Mostly clear
88 °Mostly clear

Sioux Center, Monday, 17 August

Mostly clear. High 88°, low 62°.

Pressure30.03 inHg
Wind11.9 mph S
Humidity49%
Visibility—
Dew point60°
Tue, 1896° / 67°0Partly cloudy
96 °Partly cloudy

Sioux Center, Tuesday, 18 August

Partly cloudy. High 96°, low 67°.

Pressure29.80 inHg
Wind13.4 mph S
Humidity49%
Visibility—
Dew point65°
Wed, 1993° / 71°0Overcast
93 °Overcast

Sioux Center, Wednesday, 19 August

Overcast. High 93°, low 71°.

Pressure29.74 inHg
Wind10.3 mph SE
Humidity44%
Visibility—
Dew point65°
Thu, 2091° / 65°0.12Light rain
91 °Light rain

Sioux Center, Thursday, 20 August

Light rain. High 91°, low 65°.

Pressure29.85 inHg
Wind16.1 mph NW
Humidity42%
Visibility—
Dew point62°
Fri, 2180° / 62°0.07Light rain
80 °Light rain

Sioux Center, Friday, 21 August

Light rain. High 80°, low 62°.

Pressure29.94 inHg
Wind9.1 mph E
Humidity60%
Visibility—
Dew point58°
Sat, 2296° / 68°0.02Light rain
96 °Light rain

Sioux Center, Saturday, 22 August

Light rain. High 96°, low 68°.

Pressure29.71 inHg
Wind13.1 mph E
Humidity45%
Visibility—
Dew point64°
Sun, 2386° / 70°0.16Rain
86 °Rain

Sioux Center, Sunday, 23 August

Rain. High 86°, low 70°.

Pressure29.83 inHg
Wind16.6 mph E
Humidity95%
Visibility—
Dew point70°
Mon, 2480° / 68°0.39Rain
80 °Rain

Sioux Center, Monday, 24 August

Rain. High 80°, low 68°.

Pressure29.97 inHg
Wind9.5 mph NE
Humidity74%
Visibility—
Dew point69°

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 Sioux Center, 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 Sioux Center, 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.