Weather Tomorrow in Sioux Falls, SD
Friday, May 22, 2026
Rain
Precip chance
98%
Wind
5-15 mph
Humidity
74%
Feels like
54–51°F
Rain forecast
Rain likely starts around 10 AM and may continue until 11 PM. Peak chance: 98% around 3 PM.
Data source: National Weather Service (NOAA) · Updated 36 min ago
Tomorrow by Hour
49°Temperature trend56°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 5 AM☽ | 54°F | Mostly Cloudy | 0% | 10 mph SE | ||
| 6 AM☽ | 53°F | Mostly Cloudy | 2% | 10 mph ESE | ||
| 7 AM☽ | 53°F | Cloudy | 9% | 10 mph ESE | ||
| 8 AM☽ | 52°F | Slight Chance Rain Showers | 19% | 10 mph ESE | ||
| 9 AM☽ | 51°F | Chance Rain Showers | 36% | 10 mph ESE | ||
| 10 AM☽ | 51°F | Chance Rain Showers | 49% | 10 mph ESE | ||
| 11 AM | 51°F | Rain Showers Likely | 61% | 15 mph ESE | ||
| 12 PM | 49°F | Rain Showers Likely | 74% | 15 mph ESE | ||
| 1 PM | 51°F | Rain Showers | 81% | 15 mph ESE | ||
| 2 PM | 51°F | Rain Showers | 81% | 15 mph ESE | ||
| 3 PM | 53°F | Rain Showers | 98% | 15 mph ESE | ||
| 4 PM | 53°F | Rain Showers | 96% | 15 mph ESE | ||
| 5 PM | 53°F | Rain Showers | 98% | 15 mph ESE | ||
| 6 PM | 53°F | Showers And Thunderstorms | 94% | 15 mph ESE | ||
| 7 PM | 54°F | Showers And Thunderstorms | 92% | 15 mph ESE | ||
| 8 PM | 55°F | Showers And Thunderstorms | 93% | 15 mph SE | ||
| 9 PM | 55°F | Rain Showers | 86% | 15 mph SE | ||
| 10 PM | 56°F | Rain Showers | 86% | 10 mph SE | ||
| 11 PM☽ | 56°F | Rain Showers | 81% | 10 mph SE | ||
| 12 AM☽ | 56°F | Chance Rain Showers | 37% | 10 mph SE | ||
| 1 AM☽ | 56°F | Chance Rain Showers | 37% | 10 mph SSE | ||
| 2 AM☽ | 56°F | Chance Rain Showers | 37% | 5 mph SSE | ||
| 3 AM☽ | 55°F | Chance Rain Showers | 34% | 5 mph SSE | ||
| 4 AM☽ | 54°F | Chance Rain Showers | 34% | 5 mph SSE | ||
Precipitation Timeline
100%
50%
98%
5a11a5p11p
<20%20-50%50-70%>70%
What to Wear Tomorrow
Mild temperatures — a light layer should do
Clothing
- • T-shirt or long-sleeve
- • Light jacket (for morning/evening)
Footwear
Water-resistant shoes
Accessories
- • Umbrella
Conditions
High: 56°F
Low: 49°F
Wind: 5-15 mph
Rain: 98%
Rain expected around 10 AM — carry an umbrella.
Best Time to Be Outside Tomorrow
5 AM – 6 AM
Decent window — dress appropriately (dry, light wind)
5a11a5p11p
More for Sioux Falls, SD
- Will it rain tomorrow in Sioux Falls?
- What time will it rain tomorrow in Sioux Falls?
- Weather tomorrow by hour in Sioux Falls
- Heat index tomorrow by zip code near Sioux Falls
- Dew point tomorrow by zip code near Sioux Falls
- Wind chill tomorrow by zip code near Sioux Falls
- What to wear tomorrow in Sioux Falls
- Best time to be outside tomorrow in Sioux Falls
Forecast by ZIP in Sioux Falls
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Frequently Asked Questions
What is the weather forecast for tomorrow in Sioux Falls, SD?
Tomorrow in Sioux Falls: High of 56°F, Low of 49°F. Rain with 98% chance of precipitation. Wind 5-15 mph.
Will it rain tomorrow in Sioux Falls?
Rain likely starts around 10 AM and may continue until 11 PM. Peak chance: 98% around 3 PM.
What should I wear tomorrow in Sioux Falls?
With a high of 56°F and low of 49°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.