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

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fair

83°F

28°C

Humidity 74%
Wind Speed S 6 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Jul 7:52 pm CDT
Extended Forecast for

4 Miles WNW West Branch IA

  • Tonight

    Tonight: Mostly clear, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 87. South wind 5 to 10 mph becoming west in the afternoon.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 62. Northwest wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 62 °F

    T-storms
    Likely

  • Thursday

    Thursday: Mostly cloudy, with a high near 73. North wind around 10 mph.

    High: 73 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 71. South wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 87. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 62. Northwest wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 73. North wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 78.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW West Branch IA
 41.69°N 91.4°W (Elev. 791 ft)
Last Update:
8:31 pm CDT Jul 15, 2025
Forecast Valid:
8pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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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