National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Mostly Cloudy

70°F

21°C

Humidity 79%
Wind Speed S 20 G 23 mph
Barometer 29.41 in (995.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Jun 1:52 pm CDT
Extended Forecast for

Iowa City IA

Flood Watch June 17, 02:00pm until June 17, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 17, 02:00pm until June 17, 07:00pm

    NOW until 7:00pm Wed

    Flood Watch

  • This Afternoon

    High: 79 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Northwest wind 5 to 10 mph becoming light in the evening.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 79. West wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 58. West wind around 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 76. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 55. Northwest wind 5 to 10 mph becoming light in the evening.
Juneteenth
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.
Sunday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Iowa City IA
 41.67°N 91.52°W (Elev. 692 ft)
Last Update:
1:31 pm CDT Jun 17, 2026
Forecast Valid:
2pm CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation