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Sioux City, IA Weather Tomorrow

Stay informed with tomorrow's weather forecast for Sioux City and the next 5 days, including precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill across the Sioux City area and around Woodbury county, Iowa.
Updated: Sat Oct 24th 2026 11:30 PM CDT
Sioux City, IA Weather – 10-24 – Overcast
71° / 53°
Overcast
Sioux City, IA Weather – 10-25 – Overcast
66° / 51°

Weather Tomorrow

Overcast
Daytime highs will reach 66°F with lows dropping to 51°F in Sioux City, where it will be overcast. Rainfall predicted to have a 52% chance with an estimated 0.03in. Wind will be moderate, blowing around 13mph on average and gusts of 20.1mph at 8 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 87% at 7 AM and 56% being its lowest at 3 PM. Barometric pressure is its highest of 30.39inHg at 10 AM, a lowest point of 30.28inHg at 3 PM with an avg 30.33inHg.
Sioux City, IA Weather – 10-26 – Scattered Showers
63° / 48°
Scattered Showers
Sioux City may see passing showers, with daytime highs of 63°F and overnight lows near 48°F. The chance of rain is 82% with an estimated 0.25in. Wind will be moderate, blowing around 14mph on average and gusts of 26.3mph at 8 AM. The humidity will be on the higher side, averaging about 74%, the maximum being 86% at 7 AM and 66% being its lowest at 4 PM. Barometric pressure is its highest of 30.36inHg at 2 AM, a lowest point of 30.03inHg at 10 PM with an avg 30.22inHg.
Sioux City, IA Weather – 10-27 – Overcast
69° / 46°
Overcast
Sioux City could see overcast with daytime highs of 69°F and nighttime lows near 46°F. Rainfall predicted to have a 60% chance with an estimated 0.06in. Wind will be moderate, blowing around 16mph on average and gusts of 32.9mph at 2 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 87% at 7 AM and 58% being its lowest at 3 PM. Barometric pressure is its highest of 30.11inHg at 10 AM, a lowest point of 29.95inHg at 7 PM with an avg 30.03inHg.
Sioux City, IA Weather – 10-28 – Scattered Showers
75° / 52°
Scattered Showers
Highs will reach 75°F with lows near 52°F in Sioux City, where passing showers are. There's a moderate 45% chance of rainfall with an estimated 0.03in. Wind will be moderate, blowing around 12mph on average and gusts of 26.8mph at 12 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 87% at 7 AM and 49% being its lowest at 4 PM. Barometric pressure is its highest of 30.07inHg at 10 AM, a lowest point of 29.9inHg at 6 PM with an avg 29.98inHg.
Sioux City, IA Weather – 10-29 – Scattered Showers
64° / 50°
Scattered Showers
On and off showers are set to occur in Sioux City, with a high of 64°F and a low of 50°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 13mph on average and gusts of 22.9mph at 9 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 86% at 3 AM and 47% being its lowest at 3 PM. Barometric pressure is its highest of 30.19inHg at 10 AM, a lowest point of 30inHg at 12 AM with an avg 30.1inHg.

5 Day Forecast Nearby

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