National Weather Service Forecast for: Iowa City IA
Issued by: National Weather Service Quad Cities, IA/IL
Updated: 11:26 pm CDT Sep 12, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 56. North wind around 5 mph.
Partly Cloudy

Sunday

Sunday: Showers likely, mainly between 2pm and 4pm.  Partly sunny, with a high near 69. North wind 5 to 10 mph.  Chance of precipitation is 60%.
Showers
Likely
Sunday
Night
Sunday Night: Partly cloudy, with a low around 55. Calm wind becoming east around 5 mph after midnight.
Partly Cloudy

Monday

Monday: Showers likely, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 78. East wind 5 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%.
Showers
Likely
Monday
Night
Monday Night: Showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Partly Cloudy
then Showers
Likely
Tuesday

Tuesday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm.  High near 82. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 62. Chance of precipitation is 90%.
Showers
Likely then
Heavy Rain
Wednesday

Wednesday: Showers.  High near 74. Chance of precipitation is 90%.
Showers

Wednesday
Night
Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 1am.  Low around 65. Chance of precipitation is 80%.
Showers

Lo 56 °F Hi 69 °F Lo 55 °F Hi 78 °F Lo 68 °F Hi 82 °F Lo 62 °F Hi 74 °F Lo 65 °F

 

Overnight
 
Partly cloudy, with a low around 56. North wind around 5 mph.
Sunday
 
Showers likely, mainly between 2pm and 4pm. Partly sunny, with a high near 69. North wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday Night
 
Partly cloudy, with a low around 55. Calm wind becoming east around 5 mph after midnight.
Monday
 
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 78. East wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Monday Night
 
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
 
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 82. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 62. Chance of precipitation is 90%.
Wednesday
 
Showers. High near 74. Chance of precipitation is 90%.
Wednesday Night
 
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 65. Chance of precipitation is 80%.
Thursday
 
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 77.
Thursday Night
 
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
 
A 40 percent chance of showers. Partly sunny, with a high near 76.
Friday Night
 
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
 
A 30 percent chance of showers. Partly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Iowa City IA.