National Weather Service Forecast for: Waterloo IA
Issued by: National Weather Service Des Moines, IA
Updated: 12:35 pm CDT Jun 4, 2025
 
This
Afternoon
This Afternoon: Patchy smoke before 2pm. Mostly sunny, with a high near 78. North northeast wind 6 to 9 mph.
Patchy Smoke

 Tonight

Tonight: Partly cloudy, with a low around 55. Northeast wind around 6 mph becoming calm in the evening.
Partly Cloudy

 Thursday

Thursday: Increasing clouds, with a high near 78. Calm wind becoming east 5 to 7 mph in the morning.
Increasing
Clouds
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 60. East northeast wind 3 to 6 mph.
Mostly Cloudy

 Friday

Friday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 77. East southeast wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
 Saturday

Saturday: Mostly sunny, with a high near 78.
Mostly Sunny

 Saturday
Night
Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.
Partly Cloudy
then Chance
Showers
 Sunday

Sunday: A 40 percent chance of showers. Mostly sunny, with a high near 79.
Chance
Showers
Hi 78 °F Lo 55 °F Hi 78 °F Lo 60 °F Hi 77 °F Lo 57 °F Hi 78 °F Lo 59 °F Hi 79 °F

Air Quality Alert
 

This Afternoon
 
 Patchy smoke before 2pm. Mostly sunny, with a high near 78. North northeast wind 6 to 9 mph.
Tonight
 
 Partly cloudy, with a low around 55. Northeast wind around 6 mph becoming calm in the evening.
Thursday
 
 Increasing clouds, with a high near 78. Calm wind becoming east 5 to 7 mph in the morning.
Thursday Night
 
 Mostly cloudy, with a low around 60. East northeast wind 3 to 6 mph.
Friday
 
 A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 77. East southeast wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 Mostly sunny, with a high near 78.
Saturday Night
 
 A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.
Sunday
 
 A 40 percent chance of showers. Mostly sunny, with a high near 79.
Sunday Night
 
 Mostly clear, with a low around 55.
Monday
 
 Mostly sunny, with a high near 74.
Monday Night
 
 Mostly clear, with a low around 53.
Tuesday
 
 Sunny, with a high near 78.

 

Forecast from NOAA-NWS for Waterloo IA.