Weather Tomorrow

Weather Tomorrow for ZIP 52240

Iowa City, IA · View full Iowa City forecast

Tuesday, September 15, 2026

75°Low 65°FColdHot
Thunderstorms

Precip chance

89%

Wind

5-15 mph

Humidity

86%

Feels like

73–67°F

Rain forecast

Rain likely starts around 6 AM and may continue until 9 PM. Peak chance: 89% around 8 AM.

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

65°Temperature trend75°
TimeTempConditionRain %Wind
5 AM73°FSlight Chance Showers And Thunderstorms
23%
15 mph S
6 AM74°FShowers And Thunderstorms Likely
56%
15 mph S
7 AM73°FShowers And Thunderstorms
75%
15 mph S
8 AM71°FShowers And Thunderstorms
89%
10 mph S
9 AM71°FShowers And Thunderstorms
87%
10 mph SW
10 AM71°FShowers And Thunderstorms
83%
10 mph S
11 AM70°FShowers And Thunderstorms Likely
69%
5 mph S
12 PM70°FShowers And Thunderstorms
89%
5 mph SW
1 PM70°FShowers And Thunderstorms
78%
5 mph W
2 PM71°FShowers And Thunderstorms Likely
65%
5 mph W
3 PM72°FRain Showers Likely
66%
5 mph W
4 PM72°FRain Showers
82%
5 mph W
5 PM72°FChance Rain Showers
39%
5 mph W
6 PM72°FChance Showers And Thunderstorms
34%
5 mph NW
7 PM72°FChance Showers And Thunderstorms
32%
5 mph NW
8 PM74°FChance Showers And Thunderstorms
38%
5 mph NW
9 PM74°FChance Rain Showers
44%
5 mph NW
10 PM74°FChance Rain Showers
39%
5 mph NW
11 PM75°FMostly Cloudy
0%
5 mph N
12 AM72°FSlight Chance Rain Showers
23%
5 mph N
1 AM70°FSlight Chance Rain Showers
23%
5 mph N
2 AM68°FSlight Chance Rain Showers
23%
5 mph N
3 AM66°FSlight Chance Rain Showers
23%
5 mph N
4 AM65°FSlight Chance Rain Showers
23%
5 mph N

Precipitation Timeline

100%
50%
89%
5a11a5p11p
<20%20-50%50-70%>70%

What to Wear Tomorrow

Warm and comfortable — dress light

Clothing

  • T-shirt or light blouse
  • Shorts or light pants

Footwear

Comfortable shoes or sandals

Accessories

  • Umbrella

Conditions

High: 75°F

Low: 65°F

Wind: 5-15 mph

Rain: 89%

Rain expected around 6 AM — carry an umbrella.

Best Time to Be Outside Tomorrow

6 PM – 7 PM88

Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)

5a11a5p11p