National Weather Service Forecast for: Iowa City IA
Issued by: National Weather Service Quad Cities, IA/IL
Updated: 8:11 pm CDT Jul 16, 2026
 
Tonight

Tonight: Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.
Mostly Clear

 Friday

Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 93. Heat index values as high as 101. Light southwest wind increasing to 5 to 10 mph in the morning.
Sunny then
Chance
T-storms
 Friday
Night
Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Southwest wind around 5 mph.
Slight Chance
T-storms
 Saturday

Saturday: Sunny, with a high near 93. Heat index values as high as 103. West wind 5 to 10 mph.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 68.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 89.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 70.
Mostly Clear

 Monday

Monday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94.
Chance
T-storms
 Monday
Night
Monday Night: Partly cloudy, with a low around 71.
Partly Cloudy
Lo 72 °F Hi 93 °F Lo 73 °F Hi 93 °F Lo 68 °F Hi 89 °F Lo 70 °F Hi 94 °F Lo 71 °F

Hazardous Weather Outlook
 

Tonight
 
 Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.
Friday
 
 A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 93. Heat index values as high as 101. Light southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Southwest wind around 5 mph.
Saturday
 
 Sunny, with a high near 93. Heat index values as high as 103. West wind 5 to 10 mph.
Saturday Night
 
 Mostly clear, with a low around 68.
Sunday
 
 Sunny, with a high near 89.
Sunday Night
 
 Mostly clear, with a low around 70.
Monday
 
 A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94.
Monday Night
 
 Partly cloudy, with a low around 71.
Tuesday
 
 Sunny, with a high near 88.
Tuesday Night
 
 Mostly clear, with a low around 64.
Wednesday
 
 Sunny, with a high near 82.
Wednesday Night
 
 Partly cloudy, with a low around 62.
Thursday
 
 Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Iowa City IA.