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Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Partly Cloudy
78°F
26°C
| Humidity | 79% |
| Wind Speed | S 3 mph |
| Barometer | 29.90 in (1011.7 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 8 Jun 11:52 pm CDT |
Extended Forecast for
Sioux City IA
Heat Advisory June 9, 01:00pm until June 9, 09:00pm
Overnight
Low: 69 °F
Mostly Cloudy
Tuesday
High: 95 °F
Hot
Tuesday Night
Low: 73 °F
Chance
T-stormsWednesday
High: 94 °F
Becoming
SunnyWednesday Night
Low: 62 °F
Clear then
Chance
ShowersThursday
High: 82 °F
Slight Chance
ShowersThursday Night
Low: 59 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 63 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 69. Calm wind becoming south southeast around 5 mph.
Tuesday
Mostly sunny and hot, with a high near 95. Heat index values as high as 103. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly between 4am and 5am. Increasing clouds, with a low around 73. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Partly sunny through mid morning, then becoming sunny, with a high near 94. South wind around 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 62. West northwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 82. North wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers. Mostly clear, with a low around 57.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
12:43 am CDT Jun 9, 2026
12am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
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