Weather forecast for todayRiver Sioux, IA

Weather forecast for today

Current condition 2:27 pm CDT

  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 18mphS 180°
  • Humidity: 30%
  • Dewpoint: 36°F
  • Pressure: 30.13"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
Currently, the sun dominates the sky, creating a bright and refreshing ambiance.
The temperature is an agreeable 68°F. The current temperature is nearly at the maximum expected 69.8°F for today.

Sunday Oct 18, 2026

  • 70°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphS 179°
  • Humidity: 31%
  • UV index: 4
  • Sunrise: 7:40 am CDT
  • Sunset: 6:38 pm CDT
  • ▼
Today, in River Sioux, uninterrupted sunshine is anticipated.
A stark contrast will be observed between the day's peak temperature of an agreeable 69.8°F and the night's low of an icy 41°F.
Today, meteorological data suggests the high will feel more like September, based on a forecast of 69.8°F.
Sunrise was at 7:40 am and sunset will be at 6:38 pm; the daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 4 pm 70°C.
Coldest hour: 12 am 48°C.

Chance of precipitation

Highest chance: 12 am 4%.

Hourly weather forecast

  • 3 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphS 185°
  • Humidity: 30%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphS 183°
  • Humidity: 29%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 5 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphS 179°
  • Humidity: 30%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphS 171°
  • Humidity: 35%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:38 pm
  • 7 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSE 161°
  • Humidity: 43%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSE 163°
  • Humidity: 53%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSE 167°
  • Humidity: 61%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphSSE 168°
  • Humidity: 65%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphSSE 166°
  • Humidity: 69%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 48°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphSSE 165°
  • Humidity: 73%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of the day, primarily bright and sunny weather is anticipated.
The temperature will vary between a maximum of 69.8°F and a minimum of 50°F. The warmest part of the day will be at 3 pm and 4 pm.
The day’s peak temperature will reflect September's norm of 76.5°F more than October's 61°F. The temperature low is forecasted to be in line with the usual October value of 44.6°F.
Updated: Oct 18, 2026 @ 19:27:49 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (2:27 pm CDT) it is 68°F in River Sioux.

Today, skies will stay clear and sunny.

Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 41°F.
The highest temperature today will be a few degrees higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.

On Sunday, in River Sioux, sunrise was at 7:40 am and sunset will be at 6:38 pm (CDT).

Today, the daylight will last for 10h and 58min.