Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Overcast
57°F
14°C
| Humidity | 67% |
| Wind Speed | SE 8 mph |
| Barometer | 30.06 in (1017.9 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 21 May 10:52 pm CDT |
Extended Forecast for
Sioux City IA
Tonight
Low: 47 °F
Chance
Showers then
Showers
LikelyFriday

High: 65 °F
Showers
Friday Night
Low: 45 °F
Chance
Showers then
Partly CloudySaturday

High: 72 °F
Partly Sunny
Saturday Night

Low: 48 °F
Partly Cloudy
Sunday

High: 80 °F
Sunny
Sunday Night

Low: 55 °F
Mostly Clear
Memorial Day

High: 86 °F
Sunny
Monday Night

Low: 57 °F
Mostly Clear
Detailed Forecast
Tonight
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a low around 47. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. High near 65. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 45. South wind around 5 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 72. West northwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 48. Calm wind becoming south around 5 mph.
Sunday
Sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 55.
Memorial Day
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sioux City IA
42.5°N 96.39°W (Elev. 1099 ft)
42.5°N 96.39°W (Elev. 1099 ft)
10:33 pm CDT May 21, 2026
10pm CDT May 21, 2026-6pm CDT May 28, 2026



