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.

Partly Cloudy

76°F

24°C

Humidity 56%
Wind Speed NW 6 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 23 May 4:52 pm CDT
Extended Forecast for

West Branch IA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 54. West wind around 5 mph becoming north after midnight.

    Low: 54 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. South wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 86. South wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 54. West wind around 5 mph becoming north after midnight.
Sunday
Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. South wind around 5 mph becoming calm in the evening.
Memorial Day
Sunny, with a high near 86. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 79.
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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:
2:41 pm CDT May 23, 2026
Forecast Valid:
5pm CDT May 23, 2026-6pm CDT May 30, 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