Flooding Threat Continues in Portions of Texas; Poor Air Quality in the Great Lakes through the Mid-Atlantic

Widespread life-threatening flash and urban flooding continues in south-central Texas, with considerable flooding impacts possible across central Texas. Wildfire smoke is impacting air quality across much of the Great Lakes region into southern New England and the Mid-Atlantic. Monsoonal thunderstorms may produce isolated to scattered flash flooding across the Southwest into the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64° N Lon: 91.54° W Elev: 650 ft.

Fair

83°F

28°C

Humidity 74%
Wind Speed SW 3 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 17 Jul 9:52 am CDT
Detailed forecast for

Johnson County

Today
Sunny. A slight chance of thunderstorms with isolated showers this morning, then a chance of showers and thunderstorms this afternoon. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 101.
Tonight
Mostly clear. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Heat index values up to 100 early in the evening.
Saturday
Sunny, hot with highs in the lower 90s. West winds 5 to 10 mph, becoming northwest in the afternoon. Heat index values up to 102.
Saturday Night
Mostly clear. Humid with lows in the upper 60s. Northeast winds 5 to 10 mph.
Sunday
Sunny with highs in the upper 80s. East winds around 5 mph.
Sunday Night Through Monday Night
Partly cloudy. Hot. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 105.
Tuesday And Tuesday Night
Mostly clear. Highs in the upper 80s. Lows in the lower 60s.
Wednesday
Sunny. Highs in the lower 80s.
Wednesday Night And Thursday
Partly cloudy. Lows in the lower 60s. Highs in the lower 80s.



Basemap Options
Click map to change the forecast location
Loading map...
627 AM CDT Fri Jul 17 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database