Sioux Falls, SD Hourly Forecast
Sioux Falls temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 4 PM - around 90°
- Coolest hour: 6 AM - around 63°
- Rain risk: low all day (peaks at 4%)
- UV peak: 1 PM at index 7 - sun protection recommended
- Windiest: 5 PM at 14 mph
Sioux Falls hourly weather - Wednesday, August 26
In Sioux Falls, expect a high near 86°F (30°C) around 5 PM and a low of 68°F (20°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 5 PM | Sunny | 86° | 86° | 1% | 14 mph NW | 40% | 2 | |
| 6 PM | Sunny | 82° | 76° | 1% | 13 mph NW | 40% | 1 | |
| 7 PM | Partly Cloudy | 80° | 80° | 4% | 12 mph NW | 41% | 0 | |
| 8 PM | Sunny | 77° | 73° | 2% | 9 mph WNW | 46% | 0 | |
| 9 PM | Clear | 72° | 69° | 4% | 9 mph NW | 55% | 0 | |
| 10 PM | Clear | 70° | 68° | 4% | 8 mph NNW | 61% | 0 | |
| 11 PM | Clear | 68° | 65° | 4% | 9 mph NNW | 65% | 0 |
Sioux Falls hourly weather - Thursday, August 27
In Sioux Falls, expect a high near 90°F (32°C) around 4 PM and a low of 63°F (17°C) near 6 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 71° | 66° | 1% | 8 mph N | 45% | 0 | |
| 1 AM | Clear | 69° | 64° | 1% | 8 mph NNE | 46% | 0 | |
| 2 AM | Clear | 68° | 63° | 2% | 7 mph NE | 48% | 0 | |
| 3 AM | Clear | 67° | 64° | 2% | 6 mph NE | 51% | 0 | |
| 4 AM | Clear | 66° | 64° | 2% | 3 mph ENE | 54% | 0 | |
| 5 AM | Clear | 64° | 63° | 3% | 2 mph E | 56% | 0 | |
| 6 AM | Clear | 63° | 62° | 3% | 2 mph NNE | 58% | 0 | |
| 7 AM | Sunny | 64° | 61° | 3% | 3 mph N | 57% | 0 | |
| 8 AM | Sunny | 69° | 67° | 1% | 3 mph N | 46% | 0 | |
| 9 AM | Sunny | 69° | 66° | 1% | 2 mph NNW | 36% | 1 | |
| 10 AM | Sunny | 76° | 73° | 0% | 2 mph NNW | 29% | 3 | |
| 11 AM | Sunny | 82° | 78° | 0% | 3 mph NW | 24% | 4 | |
| 12 PM | Sunny | 84° | 79° | 0% | 5 mph NW | 20% | 6 | |
| 1 PM | Sunny | 86° | 80° | 0% | 6 mph NW | 17% | 7 | |
| 2 PM | Sunny | 88° | 80° | 0% | 8 mph NW | 15% | 7 | |
| 3 PM | Sunny | 89° | 81° | 0% | 9 mph NW | 14% | 6 | |
| 4 PM | Sunny | 90° | 81° | 0% | 9 mph NW | 13% | 4 | |
| 5 PM | Sunny | 89° | 80° | 1% | 9 mph NW | 12% | 2 | |
| 6 PM | Cloudy | 88° | 79° | 5% | 9 mph NW | 12% | 1 | |
| 7 PM | Overcast | 85° | 77° | 9% | 9 mph WNW | 14% | 0 | |
| 8 PM | Overcast | 84° | 78° | 9% | 7 mph WNW | 19% | 0 | |
| 9 PM | Cloudy | 80° | 74° | 7% | 6 mph NW | 23% | 0 | |
| 10 PM | Clear | 76° | 69° | 0% | 8 mph NNE | 26% | 0 | |
| 11 PM | Clear | 71° | 66° | 1% | 6 mph E | 35% | 0 |
Sioux Falls hourly weather - Friday, August 28
In Sioux Falls, expect a high near 89°F (32°C) around 2 PM and a low of 64°F (18°C) near 6 AM; precipitation risk peaks at 68% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 68° | 65° | 1% | 3 mph ENE | 42% | 0 | |
| 1 AM | Clear | 67° | 64° | 2% | 5 mph NE | 48% | 0 | |
| 2 AM | Clear | 66° | 63° | 2% | 4 mph ESE | 52% | 0 | |
| 3 AM | Clear | 66° | 63° | 2% | 4 mph SSE | 54% | 0 | |
| 4 AM | Clear | 66° | 63° | 3% | 6 mph ESE | 57% | 0 | |
| 5 AM | Clear | 65° | 62° | 4% | 7 mph SSE | 61% | 0 | |
| 6 AM | Clear | 64° | 62° | 4% | 4 mph SSE | 62% | 0 | |
| 7 AM | Overcast | 65° | 63° | 15% | 4 mph SSE | 64% | 0 | |
| 8 AM | Patchy rain nearby | 70° | 68° | 14% | 4 mph S | 54% | 5 | |
| 9 AM | Patchy rain nearby | 69° | 65° | 8% | 6 mph S | 46% | 5 | |
| 10 AM | Patchy rain nearby | 75° | 70° | 7% | 8 mph S | 39% | 5 | |
| 11 AM | Overcast | 81° | 74° | 9% | 11 mph S | 30% | 6 | |
| 12 PM | Patchy rain nearby | 84° | 75° | 10% | 14 mph S | 24% | 6 | |
| 1 PM | Patchy rain nearby | 87° | 76° | 10% | 16 mph S | 23% | 7 | |
| 2 PM | Overcast | 89° | 78° | 9% | 17 mph S | 22% | 7 | |
| 3 PM | Patchy rain nearby | 83° | 74° | 10% | 17 mph SSW | 31% | 6 | |
| 4 PM | Overcast | 80° | 71° | 10% | 17 mph SSW | 36% | 6 | |
| 5 PM | Patchy rain nearby | 81° | 73° | 11% | 15 mph SSW | 36% | 6 | |
| 6 PM | Overcast | 80° | 75° | 10% | 11 mph S | 37% | 6 | |
| 7 PM | Overcast | 78° | 72° | 10% | 14 mph SE | 40% | 6 | |
| 8 PM | Light rain shower | 77° | 69° | 23% | 17 mph SE | 46% | 6 | |
| 9 PM | Light rain shower | 75° | 75° | 42% | 8 mph ESE | 68% | 0 | |
| 10 PM | Light rain shower | 71° | 69° | 44% | 15 mph SE | 83% | 0 | |
| 11 PM | Light rain shower | 69° | 70° | 68% | 9 mph ENE | 94% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Sioux Falls today?
Will it rain in Sioux Falls tonight?
When is the UV index highest in Sioux Falls today?
Sioux Falls hour-by-hour: what to expect
Over the next 24 hours in Sioux Falls, temperatures range from 63°F (17°C) around 6 AM up to 90°F (32°C) near 4 PM - about 9°F (5°C) above the typical August high of 81°F (27°C).
Precipitation chances stay minimal throughout, so plans can skip the umbrella. UV reaches 7 (1 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Sioux Falls 14-day forecast or the monthly climate averages.