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

Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Overcast

74°F

23°C

Humidity 100%
Wind Speed W 6 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 16 Aug 7:52 am CDT
Extended Forecast for

Tipton IA

Dense Fog Advisory August 16, 08:31am until August 16, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory August 16, 08:31am until August 16, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Today

    High: 82 °F

    Dense Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Northwest wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 64. Calm wind.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 64. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Today
Widespread dense fog before 9am. Otherwise, partly sunny, with a high near 82. Northwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 62. Northwest wind around 5 mph.
Monday
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.
Monday Night
Increasing clouds, with a low around 64. Calm wind.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 64. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tipton IA
 41.77°N 91.14°W (Elev. 827 ft)
Last Update:
6:16 am CDT Aug 16, 2026
Forecast Valid:
8am CDT Aug 16, 2026-6pm CDT Aug 22, 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