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

Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fair

68°F

20°C

Humidity 45%
Wind Speed E 10 G 17 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 May 6:52 pm CDT
Extended Forecast for

4 Miles N West Branch IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. East wind 5 to 10 mph.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

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

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. East wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 53. East wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 55.
Memorial Day
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N West Branch IA
 41.73°N 91.34°W (Elev. 751 ft)
Last Update:
2:51 pm CDT May 21, 2026
Forecast Valid:
7pm CDT May 21, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation