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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 and Windy
58°F
14°C
| Humidity | 15% |
| Wind Speed | W 26 G 36 mph |
| Barometer | 29.53 in (1000.1 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Last update | 18 Feb 2:52 pm CST |
Extended Forecast for
Sioux City IA
Winter Weather Advisory February 19, 12:00pm until February 20, 06:00am
Red Flag Warning February 18, 03:37pm until February 18, 06:00pm
NOW until 6:00pm Wed

Red Flag Warning
This Afternoon

High: 53 °F
Sunny and
BreezyTonight

Low: 25 °F
Mostly Clear
Thursday
High: 38 °F
Chance Snow
then SnowThursday Night
Low: 17 °F
Snow then
Chance SnowFriday

High: 29 °F
Mostly Sunny
Friday Night

Low: 11 °F
Mostly Cloudy
Saturday

High: 32 °F
Mostly Sunny
Saturday Night

Low: 10 °F
Mostly Clear
Detailed Forecast
This Afternoon
Sunny, with a high near 53. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 25. Northwest wind around 10 mph becoming northeast after midnight.
Thursday
Snow, mainly after noon. High near 38. Northeast wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around 3 inches.
Thursday Night
Snow, mainly before midnight. Low around 17. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Friday
Mostly sunny, with a high near 29. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 11. Northwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 10.
Sunday
Sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 4.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 53.
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)
2:48 pm CST Feb 18, 2026
3pm CST Feb 18, 2026-6pm CST Feb 24, 2026



