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

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 29.95 in (1013.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 1 Sep 10:52 pm CDT
Extended Forecast for

8 Miles NNE West Branch IA

Heat Advisory September 1, 11:38pm until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 11:38pm until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 72 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South wind around 5 mph becoming calm after midnight.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming south around 5 mph in the morning.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 72. South wind around 5 mph.
Wednesday
Mostly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 73.
Friday
Mostly sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 71.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Labor Day
Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Partly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE West Branch IA
 41.79°N 91.31°W (Elev. 696 ft)
Last Update:
11:36 pm CDT Sep 1, 2026
Forecast Valid:
11pm CDT Sep 1, 2026-6pm CDT Sep 8, 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