Weather TomorrowWeather Tomorrow

Weather Tomorrow in Waterloo, IA

Thursday, April 9, 2026

57°Low 39°FColdHot
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°
TimeTempConditionRain %Wind
5 AM52°FMostly Cloudy
5%
6 mph W
6 AM51°FPartly Cloudy
4%
6 mph W
7 AM48°FMostly Clear
3%
6 mph W
8 AM46°FMostly Clear
2%
6 mph NW
9 AM43°FClear
0%
6 mph NW
10 AM41°FClear
0%
6 mph NW
11 AM40°FSunny
0%
6 mph NW
12 PM39°FSunny
0%
6 mph NW
1 PM40°FSunny
0%
7 mph NW
2 PM42°FSunny
0%
7 mph NW
3 PM45°FSunny
0%
7 mph NW
4 PM48°FSunny
0%
7 mph NW
5 PM51°FSunny
0%
7 mph WNW
6 PM54°FMostly Sunny
3%
6 mph WNW
7 PM55°FMostly Sunny
10%
6 mph WNW
8 PM56°FPartly Sunny
13%
6 mph WNW
9 PM57°FScattered Rain Showers
25%
6 mph WNW
10 PM56°FScattered Rain Showers
48%
6 mph NNW
11 PM55°FChance Rain Showers
60%
5 mph N
12 AM53°FShowers And Thunderstorms
91%
5 mph NE
1 AM50°FShowers And Thunderstorms
91%
6 mph NE
2 AM48°FShowers And Thunderstorms
91%
7 mph NE
3 AM46°FShowers And Thunderstorms
91%
7 mph NNE
4 AM45°FShowers 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 PM83

Excellent conditions for outdoor activities (dry, light wind, daylight)

5a11a5p11p

More for Waterloo, IA

Forecast by ZIP in Waterloo

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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.