Weather Tomorrow in Waterloo, IA
Thursday, April 9, 2026
Clear
Precip chance
91%
Wind
5-7 mph
Humidity
64%
Feels like
55–41°F
Rain forecast
Rain likely starts around 10 PM and may continue until 4 AM. Peak chance: 91% around 12 AM.
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
39°Temperature trend57°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 5 AM☽ | 52°F | Mostly Cloudy | 5% | 6 mph W | ||
| 6 AM☽ | 51°F | Partly Cloudy | 4% | 6 mph W | ||
| 7 AM☽ | 48°F | Mostly Clear | 3% | 6 mph W | ||
| 8 AM☽ | 46°F | Mostly Clear | 2% | 6 mph NW | ||
| 9 AM☽ | 43°F | Clear | 0% | 6 mph NW | ||
| 10 AM☽ | 41°F | Clear | 0% | 6 mph NW | ||
| 11 AM | 40°F | Sunny | 0% | 6 mph NW | ||
| 12 PM | 39°F | Sunny | 0% | 6 mph NW | ||
| 1 PM | 40°F | Sunny | 0% | 7 mph NW | ||
| 2 PM | 42°F | Sunny | 0% | 7 mph NW | ||
| 3 PM | 45°F | Sunny | 0% | 7 mph NW | ||
| 4 PM | 48°F | Sunny | 0% | 7 mph NW | ||
| 5 PM | 51°F | Sunny | 0% | 7 mph WNW | ||
| 6 PM | 54°F | Mostly Sunny | 3% | 6 mph WNW | ||
| 7 PM | 55°F | Mostly Sunny | 10% | 6 mph WNW | ||
| 8 PM | 56°F | Partly Sunny | 13% | 6 mph WNW | ||
| 9 PM | 57°F | Scattered Rain Showers | 25% | 6 mph WNW | ||
| 10 PM | 56°F | Scattered Rain Showers | 48% | 6 mph NNW | ||
| 11 PM☽ | 55°F | Chance Rain Showers | 60% | 5 mph N | ||
| 12 AM☽ | 53°F | Showers And Thunderstorms | 91% | 5 mph NE | ||
| 1 AM☽ | 50°F | Showers And Thunderstorms | 91% | 6 mph NE | ||
| 2 AM☽ | 48°F | Showers And Thunderstorms | 91% | 7 mph NE | ||
| 3 AM☽ | 46°F | Showers And Thunderstorms | 91% | 7 mph NNE | ||
| 4 AM☽ | 45°F | Showers And Thunderstorms | 91% | 7 mph NNE | ||
Precipitation Timeline
100%
50%
91%
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
- • Rain jacket
Conditions
High: 57°F
Low: 39°F
Wind: 5-7 mph
Rain: 91%
Rain expected around 10 PM — carry an umbrella.
Best Time to Be Outside Tomorrow
6 PM – 7 PM
Excellent conditions for outdoor activities (dry, light wind, daylight)
5a11a5p11p
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Frequently Asked Questions
What is the weather forecast for tomorrow in Waterloo, IA?
Tomorrow in Waterloo: High of 57°F, Low of 39°F. Clear with 91% chance of precipitation. Wind 5-7 mph.
Will it rain tomorrow in Waterloo?
Rain likely starts around 10 PM and may continue until 4 AM. Peak chance: 91% around 12 AM.
What should I wear tomorrow in Waterloo?
With a high of 57°F and low of 39°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.