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.

Fair

30°F

-1°C

Humidity NA
Wind Speed Calm
Barometer 30.32 in (1027.3 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 20 Apr 5:52 am CDT
Extended Forecast for

West Branch IA

Freeze Warning April 20, 06:08am until April 20, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 20, 06:08am until April 20, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Today

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Southwest wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 77. Breezy.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 61. Light and variable wind becoming south 10 to 15 mph in the morning.
Tonight
Increasing clouds, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 52. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 77. Breezy.
Thursday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 53. Chance of precipitation is 90%.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 62.
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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:
2:21 am CDT Apr 20, 2026
Forecast Valid:
6am CDT Apr 20, 2026-6pm CDT Apr 26, 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