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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
54°F
12°C
| Humidity | 47% |
| Wind Speed | SW 13 mph |
| Barometer | 29.22 in (989.6 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 17 Feb 9:52 pm CST |
Extended Forecast for
Sioux City IA
Wind Advisory February 18, 02:00am until February 18, 12:00pm
Red Flag Warning February 18, 10:00am until February 18, 06:00pm
Tonight
Low: 39 °F
Partly Cloudy
then Mostly
Clear and
BreezyWednesday

High: 61 °F
Sunny and
BreezyWednesday Night

Low: 27 °F
Partly Cloudy
Thursday

High: 38 °F
Chance Snow
and BreezyThursday Night

Low: 16 °F
Snow Likely
Friday

High: 32 °F
Mostly Sunny
Friday Night

Low: 13 °F
Partly Cloudy
Saturday
High: 34 °F
Slight Chance
Snow then
Mostly SunnySaturday Night

Low: 11 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 39. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph.
Wednesday
Sunny, with a high near 61. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
Partly cloudy, with a low around 27. North northwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 38. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of around 2 inches.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around 2 inches.
Friday
Mostly sunny, with a high near 32. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 13.
Saturday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 6.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 51.
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)
10:09 pm CST Feb 17, 2026
10pm CST Feb 17, 2026-6pm CST Feb 24, 2026



