Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fair

90°F

32°C

Humidity 62%
Wind Speed S 10 mph
Barometer 30.03 in (1016.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 15 Aug 3:52 pm CDT
Extended Forecast for

5 Miles SSW West Branch IA

Severe T-storm Watch until August 15, 07:00pm
Heat Advisory August 16, 12:00pm until August 16, 07:00pm
Click here for hazard details and duration
Severe T-storm Watch
Heat Advisory
  •  
    Severe T-storm Watch until August 15, 07:00pm

    NOW until 7:00pm Fri

    Severe T-storm Watch

  • This Afternoon

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Partly cloudy, with a low around 73. South wind around 5 mph becoming east after midnight.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Heat index values as high as 103. East wind 5 to 10 mph becoming south in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a steady temperature around 89. Heat index values as high as 101. South wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 94. Heat index values as high as 103. East wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Mostly clear, with a low around 72. South wind around 5 mph.
Sunday
Sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 92.
Monday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW West Branch IA
 41.6°N 91.41°W (Elev. 748 ft)
4:04 pm CDT Aug 15, 2025
4pm CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database