Sioux Falls (SD)
Tomorrow
Tomorrow weather in Sioux Falls
Tuesday, August 18th, 2026
31°
Thundery outbreaks possible
Low 18°
The weather tomorrow in Sioux Falls will be similar like today, with max temperatures of 31°.
The rain will visit again tomorrow in Sioux Falls and the expected precipitation are 39 mm.
The wind tomorrow will get lighter comparing to today but still be strong and reach over 24 km/h.
31° / 18°
Temp
77%
Rain
24 km/h
Wind
63%
Humidity
Sioux Falls Weather Pages
Sioux Falls hourly forecast for tomorrow
Scroll right to see more weather forecasts for Sioux Falls tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:35 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 08:00 PM | 08:26 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | |  | | |  | |  |  | |  |  | |  | | | | | | | | |  | | | | Next |
| temperatures | 23.9° | 23.4° | 19.4° | 19.6° | 19.9° | 19.1° | 18.9° | Sunrise | 18° | 19.7° | 20.1° | 21.2° | 25.6° | 27.5° | 28.7° | 29.5° | 30.6° | 31.2° | 30° | 27.8° | 26.4° | 25.1° | Sunset | 26° | 24.2° | 22.6° | |
| Feels like | 26° | 23.8° | 18° | 20.6° | 20.6° | 20.4° | 18.5° | 18.5° | 21.5° | 21.5° | 20.6° | 24.6° | 25.5° | 26.7° | 27.8° | 28.7° | 29.2° | 27.7° | 27.8° | 26.1° | 24.1° | 27.2° | 25.7° | 24.6° | |||
| wind speed | 4 km/h | 13 km/h | 12 km/h | 5 km/h | 10 km/h | 6 km/h | 13 km/h | 11 km/h | 7 km/h | 6 km/h | 12 km/h | 14 km/h | 14 km/h | 15 km/h | 13 km/h | 13 km/h | 12 km/h | 14 km/h | 24 km/h | 21 km/h | 17 km/h | 13 km/h | 8 km/h | 4 km/h | |||
| wind degree | 255° | 205° | 222° | 159° | 216° | 235° | 218° | 254° | 286° | 237° | 231° | 235° | 251° | 242° | 227° | 234° | 251° | 242° | 223° | 224° | 238° | 252° | 288° | 344° | |||
| wind direction | WSW | SSW | SW | SSE | SW | SW | SW | WSW | WNW | WSW | SW | SW | WSW | WSW | SW | SW | WSW | WSW | SW | SW | WSW | WSW | WNW | NNW | |||
| Precipitation | 0 mm | 0 mm | 6.7 mm | 6.7 mm | 6.7 mm | 9.7 mm | 9.7 mm | 0.3 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 22% | 19% | 82% | 83% | 87% | 93% | 87% | 58% | 23% | 15% | 12% | 5% | 2% | 17% | 6% | 10% | 9% | 10% | 11% | 12% | 14% | 16% | 17% | 20% | |||
| 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 | 69% | 73% | 66% | 79% | 86% | 87% | 84% | 97% | 94% | 85% | 69% | 46% | 39% | 37% | 35% | 32% | 29% | 32% | 44% | 51% | 58% | 69% | 70% | 74% | |||
| dew point | 17.9° | 18.2° | 13° | 15.9° | 17.5° | 16.9° | 16.2° | 17.5° | 18.8° | 17.5° | 15.2° | 13.3° | 12.5° | 12.5° | 12.6° | 12.1° | 11.3° | 11.5° | 14.5° | 15.4° | 16.4° | 19.8° | 18.4° | 17.8° | |||
| visibility | 2 km | 10 km | 2 km | 10 km | 10 km | 2 km | 10 km | 2 km | 2 km | 10 km | 10 km | 10 km | 10 km | 9 km | 9 km | 9 km | 9 km | 9 km | 9 km | 9 km | 9 km | 10 km | 10 km | 10 km | |||
| cloud cover | 100% | 100% | 100% | 97% | 100% | 100% | 94% | 85% | 34% | 44% | 72% | 56% | 17% | 86% | 75% | 100% | 100% | 100% | 100% | 100% | 100% | 95% | 95% | 100% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 1.4 | 3 | 4.8 | 6.5 | 7.2 | 7.1 | 6.1 | 4.3 | 2.4 | 1 | 0.3 | 0 | 0 | 0 | 0 |
Weather in Sioux Falls tomorrow
The weather in Sioux Falls tomorrow is expected to be slightly warmer than usual, with a forecast temperature of 31 °F, compared to an average of 29 °F for August 18th in recent years.
temperatures
31 °F
rain
39.9 mm
wind
24 km/h
UV
High
Sioux Falls daylight overview ☀️
Tomorrow in Sioux Falls, The sun rises at 06:35 and sets at 20:26, giving a total daylight duration of 13 hours and 51 minutes.
Quick links
More Sioux Falls weather pages
What to wear tomorrow in Sioux Falls? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Sioux Falls forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
Umbrella
The weather tomorrow in Sioux Falls - FAQ
What is the maximum temperature for tomorrow in Sioux Falls?
The maximum temperature for tomorrow in Sioux Falls is expected to be 31° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Sioux Falls? 🌧️
Yes, there is a 77% chance of rain in Sioux Falls tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Sioux Falls? 🌀
The wind in Sioux Falls is expected to blow at 24 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Sioux Falls tomorrow?
Given the forecast of 31 °F with a 77% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Sioux Falls tomorrow.
What is the sunrise and sunset time for Sioux Falls tomorrow?
The sun is expected to rise at 06:35 and set at 20:26 in Sioux Falls.
How accurate is the weather forecast Sioux Falls tomorrow? ✅
Sioux Falls weather forecast for tomorrow 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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