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

51°F

11°C

Humidity 35%
Wind Speed NW 6 mph
Barometer 30.23 in (1023.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 5 Nov 5:52 pm CST
Extended Forecast for

West Branch IA

  • Tonight

    Tonight: Mostly clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 60. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 60 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 46. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 64. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after noon. Mostly cloudy, with a high near 48. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 60. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Showers likely, mainly between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 46. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Friday
Sunny, with a high near 64. West wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Rain likely, mainly after noon. Mostly cloudy, with a high near 48. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 24.
Veterans Day
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Branch IA
 41.66°N 91.35°W (Elev. 797 ft)
Last Update:
3:56 pm CST Nov 5, 2025
Forecast Valid:
6pm CST Nov 5, 2025-6pm CST Nov 12, 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