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Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Mostly Cloudy
5°F
-15°C
| Humidity | 69% |
| Wind Speed | S 8 mph |
| Barometer | 30.06 in (1020.5 mb) |
| Dewpoint | -3°F (-19°C) |
| Visibility | 10.00 mi |
| Wind Chill | -8°F (-22°C) |
| Last update | 18 Jan 12:52 am CST |
Extended Forecast for
Sioux City IA
Winter Weather Advisory January 18, 03:00am until January 18, 09:00pm
Overnight
Low: 3 °F
Snow Likely
Sunday
High: 28 °F
Isolated Snow
Showers and
WindySunday Night
Low: 1 °F
Partly Cloudy
and Blustery
then Partly
CloudyM.L.King Day
High: 17 °F
Mostly Sunny
Monday Night
Low: 4 °F
Partly Cloudy
Tuesday
High: 32 °F
Partly Sunny
Tuesday Night
Low: 17 °F
Mostly Cloudy
Wednesday
High: 30 °F
Partly Sunny
Wednesday Night
Low: 10 °F
Partly Cloudy
Detailed Forecast
Overnight
Snow likely, mainly between 2am and 4am. Mostly cloudy, with a low around 3. South wind 5 to 10 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Isolated snow showers between noon and 4pm. Partly sunny, with a high near 28. Windy, with a south wind 15 to 20 mph becoming northwest 25 to 30 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 1. Blustery, with a north northwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
M.L.King Day
Mostly sunny, with a high near 17. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 4. West northwest wind around 5 mph becoming south after midnight.
Tuesday
Partly sunny, with a high near 32. South wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 20.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -2.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 8.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
1:03 am CST Jan 18, 2026
1am CST Jan 18, 2026-6pm CST Jan 24, 2026
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