National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

47°F

8°C

Humidity 22%
Wind Speed E 8 mph
Barometer 30.24 in (1024.5 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 19 Apr 9:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Clear, with a low around 31. East southeast wind around 5 mph.

    Low: 31 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. Southwest wind around 5 mph becoming northeast in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. East southeast wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 85 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61. Breezy.

    Low: 61 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 80. Breezy.

    High: 80 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Clear, with a low around 31. East southeast wind around 5 mph.
Monday
Sunny, with a high near 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 48. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 84. Southwest wind around 5 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. East southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 85. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61. Breezy.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 80. Breezy.
Thursday Night
Partly cloudy, with a low around 40. Breezy.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
7:38 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation