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Sioux Rapids, IA Weather Tomorrow

Whether you're making plans for tomorrow or later this week, the Sioux Rapids 5 day forecast includes precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Sioux Rapids area and around Buena Vista county, Iowa.
Updated: Tue Sep 15th 2026 8:30 AM CDT
Sioux Rapids, IA Weather – 9-15 – Overcast
71° / 55°
Overcast
In Sioux Rapids, it will be overcast with highs near 71°F and lows around 55°F. Rainfall predicted to have a 64% chance with an estimated 0.06in. Wind will be moderate, blowing around 18mph on average and gusts of 27.8mph at 9 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 74% at 9 AM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 30.23inHg at 11 PM, a lowest point of 30.09inHg at 9 AM with an avg 30.16inHg.
Sioux Rapids, IA Weather – 9-16 – Overcast
63° / 55°

Weather Tomorrow

Overcast
Sioux Rapids is set for overcast with temperatures peaking at 63°F and dipping to 55°F. Rainfall predicted to have a 54% chance with an estimated 0.02in. Wind will be moderate, blowing around 11mph on average and gusts of 21.5mph at 7 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 99% at 11 PM and 60% being its lowest at 5 AM. Barometric pressure is its highest of 30.28inHg at 9 AM, a lowest point of 30.17inHg at 7 PM with an avg 30.23inHg.
Sioux Rapids, IA Weather – 9-17 – Fog
72° / 63°
Fog
Sioux Rapids could see fog with daytime highs of 72°F and nighttime lows near 63°F. There's a moderate 40% chance of rainfall with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 24.9mph at 11 PM. High humidity with average of 90% is anticipated, the maximum being 99% at 1 AM and 73% being its lowest at 4 PM. Barometric pressure is its highest of 30.23inHg at 11 AM, a lowest point of 30.13inHg at 11 PM with an avg 30.18inHg.
Sioux Rapids, IA Weather – 9-18 – Sunny
90° / 64°
Sunny
In Sioux Rapids, bright and sunny conditions with highs near 90°F and lows around 64°F. Rainfall predicted to have a 57% chance with an estimated 0.06in. Winds will be strong at speeds peaking at 21mph and gusts of 42.1mph at 10 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 98% at 1 AM and 41% being its lowest at 4 PM. Barometric pressure is its highest of 30.13inHg at 12 AM, a lowest point of 29.74inHg at 10 PM with an avg 29.91inHg.
Sioux Rapids, IA Weather – 9-19 – Overcast
81° / 59°
Overcast
Daytime highs will reach 81°F with lows dropping to 59°F in Sioux Rapids, where skies will be overcast. The chance of rain is 88% with an estimated 0.43in. Wind will be moderate, blowing around 16mph on average and gusts of 35.1mph at 1 AM. High humidity with average of 84% is anticipated, the maximum being 97% at 5 AM and 60% being its lowest at 1 AM. Barometric pressure is its highest of 29.85inHg at 10 PM, a lowest point of 29.74inHg at 4 AM with an avg 29.81inHg.
Sioux Rapids, IA Weather – 9-20 – Scattered Showers
59° / 55°
Scattered Showers
On and off showers are set to occur in Sioux Rapids, with a high of 59°F and a low of 55°F. The chance of rain is 90% with an estimated 0.18in. Wind will be moderate, blowing around 11mph on average and gusts of 19.2mph at 12 AM. High humidity with average of 97% is anticipated, the maximum being 98% at 5 AM and 96% being its lowest at 8 PM. Barometric pressure is its highest of 29.93inHg at 11 PM, a lowest point of 29.83inHg at 4 AM with an avg 29.88inHg.

Currently

Overcast 61°F
30.06 inHg.
Barometer
76%
Humidity
NNW 19.4 mph
Wind
Overcast

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