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

79°F

26°C

Humidity 50%
Wind Speed S 8 mph
Barometer 29.85 in (1010.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Oct 5:52 pm CDT
Extended Forecast for

West Branch IA

  • Tonight

    Tonight: Increasing clouds, with a low around 67. South wind 5 to 10 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after 1pm. Sunny, with a high near 81. Northwest wind around 5 mph.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 67. South wind 5 to 10 mph.
Columbus Day
Sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 66. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers after 1pm. Sunny, with a high near 81. Northwest wind around 5 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 71.
Wednesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 58. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 56.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Branch IA
 41.66°N 91.35°W (Elev. 797 ft)
Last Update:
1:26 pm CDT Oct 11, 2026
Forecast Valid:
6pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
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