Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Thunderstorm in Vicinity
72°F
22°C
| Humidity | 73% |
| Wind Speed | NW 13 mph |
| Barometer | 29.93 in (1012.6 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 2 Sep 12:52 am CDT |
Extended Forecast for
Sioux City IA
Severe T-storm Watch September 2, 01:32am until September 2, 05:00am
NOW until 5:00am Wed
Severe T-storm Watch
Overnight
Low: 69 °F
Severe
ThunderstormsWednesday
High: 90 °F
Slight Chance
T-storms then
SunnyWednesday Night
Low: 70 °F
Chance
T-stormsThursday
High: 91 °F
Slight Chance
T-storms then
SunnyThursday Night
Low: 72 °F
Mostly Clear
Friday
High: 92 °F
Mostly Sunny
Friday Night
Low: 71 °F
Partly Cloudy
Saturday
High: 92 °F
Mostly Sunny
Detailed Forecast
Overnight
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms, mainly between 2am and 5am. Some of the storms could be severe. Mostly cloudy, with a low around 69. North wind around 5 mph becoming east southeast. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 70. Southeast wind around 5 mph.
Thursday
A 10 percent chance of showers and thunderstorms before 7am. Sunny, with a high near 91. East southeast wind 5 to 10 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 72. South wind around 5 mph.
Friday
Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Labor Day
Partly sunny, with a high near 86.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 86.
Additional Forecasts and Information
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Point Forecast:
Sioux City IA
42.5°N 96.41°W (Elev. 1106 ft)
42.5°N 96.41°W (Elev. 1106 ft)
1:08 am CDT Sep 2, 2026
1am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
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