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Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Fair
-2°F
-19°C
| Humidity | 68% |
| Wind Speed | NW 15 G 24 mph |
| Barometer | 30.46 in (1034.1 mb) |
| Dewpoint | -10°F (-23°C) |
| Visibility | 10.00 mi |
| Wind Chill | -22°F (-30°C) |
| Last update | 19 Jan 6:52 am CST |
Extended Forecast for
Sioux City IA
M.L.King Day

High: 17 °F
Increasing
CloudsTonight

Low: 3 °F
Decreasing
CloudsTuesday
High: 25 °F
Partly Sunny
then Slight
Chance SnowTuesday Night
Low: 14 °F
Slight Chance
Snow then
Partly CloudyWednesday

High: 36 °F
Mostly Sunny
Wednesday Night

Low: 9 °F
Mostly Clear
Thursday

High: 26 °F
Partly Sunny
Thursday Night

Low: -5 °F
Mostly Cloudy
Friday

High: 4 °F
Partly Sunny
Detailed Forecast
M.L.King Day
Increasing clouds, with a high near 17. Wind chill values as low as -19. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. West northwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 25. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 14. South southeast wind 5 to 10 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 36. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 9. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 26.
Thursday Night
Mostly cloudy, with a low around -5.
Friday
Partly sunny, with a high near 4.
Friday Night
Partly cloudy, with a low around -10.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 10.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 24.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sioux City IA
42.5°N 96.41°W (Elev. 1106 ft)
42.5°N 96.41°W (Elev. 1106 ft)
6:48 am CST Jan 19, 2026
7am CST Jan 19, 2026-6pm CST Jan 25, 2026



