Weather Tomorrow in Sioux City, IA
Monday, May 25, 2026
Thunderstorms
Precip chance
34%
Wind
10-15 mph
Humidity
62%
Feels like
85–61°F
Rain forecast
Low chance of precipitation. Highest risk around 12 AM (34%).
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
59°Temperature trend87°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 5 AM☽ | 66°F | Slight Chance Showers And Thunderstorms | 23% | 10 mph SSE | ||
| 6 AM☽ | 65°F | Slight Chance Showers And Thunderstorms | 19% | 10 mph SSE | ||
| 7 AM☽ | 65°F | Slight Chance Showers And Thunderstorms | 19% | 10 mph SSE | ||
| 8 AM☽ | 64°F | Slight Chance Showers And Thunderstorms | 19% | 10 mph S | ||
| 9 AM☽ | 62°F | Slight Chance Showers And Thunderstorms | 23% | 10 mph S | ||
| 10 AM☽ | 62°F | Chance Showers And Thunderstorms | 27% | 10 mph SSE | ||
| 11 AM | 61°F | Slight Chance Showers And Thunderstorms | 19% | 10 mph SSE | ||
| 12 PM | 59°F | Sunny | 11% | 10 mph SSE | ||
| 1 PM | 63°F | Sunny | 0% | 10 mph S | ||
| 2 PM | 66°F | Sunny | 0% | 10 mph S | ||
| 3 PM | 72°F | Sunny | 1% | 10 mph S | ||
| 4 PM | 76°F | Sunny | 3% | 10 mph S | ||
| 5 PM | 79°F | Sunny | 2% | 10 mph S | ||
| 6 PM | 81°F | Sunny | 0% | 10 mph S | ||
| 7 PM | 84°F | Mostly Sunny | 3% | 15 mph S | ||
| 8 PM | 85°F | Mostly Sunny | 10% | 15 mph S | ||
| 9 PM | 86°F | Slight Chance Showers And Thunderstorms | 17% | 10 mph S | ||
| 10 PM | 87°F | Slight Chance Showers And Thunderstorms | 24% | 10 mph S | ||
| 11 PM☽ | 86°F | Chance Showers And Thunderstorms | 31% | 10 mph SSE | ||
| 12 AM☽ | 85°F | Chance Showers And Thunderstorms | 34% | 10 mph S | ||
| 1 AM☽ | 84°F | Chance Showers And Thunderstorms | 34% | 10 mph S | ||
| 2 AM☽ | 80°F | Chance Showers And Thunderstorms | 34% | 10 mph S | ||
| 3 AM☽ | 75°F | Chance Showers And Thunderstorms | 34% | 10 mph S | ||
| 4 AM☽ | 72°F | Chance Showers And Thunderstorms | 34% | 10 mph S | ||
Precipitation Timeline
100%
50%
34%
5a11a5p11p
<20%20-50%50-70%>70%
What to Wear Tomorrow
Hot — wear breathable, light clothing
Clothing
- • Light t-shirt or tank top
- • Shorts or light skirt
- • Hat for sun protection
Footwear
Sandals or breathable sneakers
Accessories
- • Sunglasses
- • Sunscreen
Conditions
High: 87°F
Low: 59°F
Wind: 10-15 mph
Rain: 34%
Big temperature swing (59°F to 87°F) — dress in removable layers.
Best Time to Be Outside Tomorrow
2 PM – 3 PM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
5a11a5p11p
More for Sioux City, IA
- Will it rain tomorrow in Sioux City?
- What time will it rain tomorrow in Sioux City?
- Weather tomorrow by hour in Sioux City
- Heat index tomorrow by zip code near Sioux City
- Dew point tomorrow by zip code near Sioux City
- Wind chill tomorrow by zip code near Sioux City
- What to wear tomorrow in Sioux City
- Best time to be outside tomorrow in Sioux City
Forecast by ZIP in Sioux City
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Frequently Asked Questions
What is the weather forecast for tomorrow in Sioux City, IA?
Tomorrow in Sioux City: High of 87°F, Low of 59°F. Thunderstorms with 34% chance of precipitation. Wind 10-15 mph.
Will it rain tomorrow in Sioux City?
Low chance of precipitation. Highest risk around 12 AM (34%).
What should I wear tomorrow in Sioux City?
With a high of 87°F and low of 59°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.