Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fog

71°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in (1014.6 mb)
Dewpoint 71°F (22°C)
Visibility 0.25 mi
Last update 16 Aug 3:54 am CDT
Extended Forecast for

Dysart IA

  • Today

    Today: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 80. North northwest wind 5 to 13 mph, with gusts as high as 18 mph.

    High: 80 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 61. Northwest wind 5 to 9 mph.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 7am.  Otherwise, sunny, with a high near 81. West northwest wind 3 to 6 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Increasing clouds, with a low around 64. Calm wind becoming south southwest 5 to 7 mph after midnight.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 81. West wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. North northwest wind 5 to 13 mph, with gusts as high as 18 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 61. Northwest wind 5 to 9 mph.
Monday
Patchy fog before 7am. Otherwise, sunny, with a high near 81. West northwest wind 3 to 6 mph.
Monday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 64. Calm wind becoming south southwest 5 to 7 mph after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. West wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Dysart IA
 42.18°N 92.3°W
4:16 am CDT Aug 16, 2026
4am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
 
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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