Sioux City (IA)
Today
Today weather in Sioux City
Monday, July 20th, 2026
43°
Sunny
Low 24°
Official weather alert: Extreme Heat Warning. A scorching day is predicted for Sioux City Today with temperatures soaring to a blistering 43 °C and settling to a still-warm 23 °C at night. It'll be quite breezy in Sioux City Today with average wind speeds of 22 km/h. There's a slight chance of rain at 17%.
43° / 24°
Temp
17%
Rain
22 km/h
Wind
54%
Humidity
Sioux City Weather Pages
Sioux City hourly forecast for today
Scroll right to see more weather forecasts for Sioux City today
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 06:06 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 20:57 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | |  | | | | |  | | | | | | | | | | | | | | |  | | | | Next |
| temperatures | 26.3° | 26° | 26.2° | 25.3° | 24.5° | 24° | 23.6° | Sunrise | 24.4° | 27.3° | 29.7° | 31.8° | 36.7° | 38.7° | 40.3° | 41.5° | 41.6° | 41.7° | 41.1° | 43.2° | 41.2° | 37.8° | Sunset | 33.5° | 30.1° | 27.9° | |
| feels like | 29.3° | 29.3° | 28.8° | 27.6° | 26.9° | 26.4° | 25.8° | 26.5° | 29.6° | 32.8° | 35.5° | 45.2° | 47.6° | 48.8° | 49.3° | 48.8° | 48.6° | 47.7° | 45° | 41.8° | 37.4° | 33.4° | 30.2° | 28.3° | |||
| wind speed | 21 km/h | 17 km/h | 19 km/h | 19 km/h | 16 km/h | 17 km/h | 18 km/h | 16 km/h | 18 km/h | 19 km/h | 21 km/h | 22 km/h | 22 km/h | 23 km/h | 22 km/h | 19 km/h | 15 km/h | 12 km/h | 12 km/h | 8 km/h | 4 km/h | 4 km/h | 8 km/h | 7 km/h | |||
| wind degree | 160° | 163° | 167° | 171° | 168° | 170° | 180° | 191° | 206° | 217° | 229° | 236° | 247° | 252° | 257° | 277° | 287° | 280° | 302° | 308° | 242° | 132° | 69° | 51° | |||
| wind direction | SSE | SSE | SSE | S | SSE | S | S | S | SSW | SW | SW | WSW | WSW | WSW | WSW | W | WNW | W | WNW | NW | WSW | SE | ENE | NE | |||
| Precipitation | 0 mm | 0 mm | 0.2 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 10% | 12% | 32% | 10% | 12% | 14% | 13% | 11% | 5% | 3% | 2% | 2% | 1% | 1% | 1% | 0% | 0% | 1% | 1% | 0% | 1% | 1% | 1% | 2% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 83% | 88% | 79% | 82% | 88% | 91% | 90% | 91% | 69% | 62% | 55% | 50% | 44% | 38% | 34% | 33% | 32% | 33% | 14% | 16% | 22% | 31% | 39% | 46% | |||
| dew point | 23.2° | 23.8° | 22.3° | 22.1° | 22.4° | 22.5° | 21.8° | 21.8° | 21.2° | 21.5° | 21.5° | 24.4° | 24.1° | 23.4° | 22.6° | 22° | 21.7° | 21.6° | 9.8° | 10.8° | 12.5° | 13.9° | 14.6° | 15.4° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 16 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 0% | 0% | 73% | 0% | 1% | 2% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 5% | 5% | 4% | 3% | 3% | 7% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.9 | 2.4 | 4.6 | 7 | 9.2 | 10.3 | 10.1 | 8.8 | 6.2 | 1.9 | 1.8 | 0.7 | 0.1 | 0 | 0 | 0 |
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Weather in Sioux City today
The weather in Sioux City today is expected to be significantly warmer than usual, with a forecast temperature of 43 °C, compared to an average of 27 °C for July 20th in recent years.
temperatures
43 °C
rain
0.2 mm
wind
22 km/h
UV
Very High
Sioux City daylight overview ☀️
Today in Sioux City, The sun rises at 06:06 and sets at 20:57, giving a total daylight duration of 14 hours and 51 minutes.
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What to wear today in Sioux City? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Sioux City forecast.
Short-sleeve shirt
Shorts
Lightweight trousers
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
The weather today in Sioux City - FAQ
What is the maximum temperature for today in Sioux City?
The maximum temperature for today in Sioux City is expected to be 43° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Sioux City? 🌧️
Yes, there is a 17% chance of rain in Sioux City today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Sioux City? 🌀
The wind in Sioux City is expected to blow at 22 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Sioux City today?
Given the forecast of 43 °C with a 17% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Sioux City today.
What is the sunrise and sunset time for Sioux City today?
The sun is expected to rise at 06:06 and set at 20:57 in Sioux City.
How accurate is the weather forecast Sioux City today? ✅
Sioux City weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Sioux City?Get accurate weather forecasts for Sioux City, located at latitude 42.5 and longitude -96.4. Stay updated with localized weather information tailored for Sioux City.
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