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

Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday

A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. Read More >

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Partly Cloudy

57°F

14°C

Humidity 58%
Wind Speed E 12 G 20 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 22 May 1:52 am CDT
Extended Forecast for

4 Miles N West Branch IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. East wind around 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 71. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • 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 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. East wind around 10 mph.
Friday
Mostly cloudy, with a high near 71. East wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 54. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 55.
Memorial Day
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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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:
1:26 am CDT May 22, 2026
Forecast Valid:
2am CDT May 22, 2026-6pm CDT May 28, 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