Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

67°F

19°C

Humidity 71%
Wind Speed SE 17 G 30 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Sep 5:54 pm CDT
Extended Forecast for

Waterloo IA

Flood Watch September 14, 06:41pm until September 16, 01:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 14, 06:41pm until September 16, 01:00pm

    NOW until 1:00pm Wed

    Flood Watch

  • Tonight

    Low: 66 °F

    Heavy Rain
    and Breezy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 11am.  Mostly cloudy, with a high near 72. West wind 6 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 57. Light and variable wind becoming northeast around 6 mph after midnight.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly sunny through mid morning, then becoming cloudy, with a high near 71. East wind around 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 62. East southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm.  Mostly cloudy, with a high near 78. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after 1am.  Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 66. Breezy, with a south southeast wind 10 to 18 mph becoming southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy, with a high near 72. West wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 57. Light and variable wind becoming northeast around 6 mph after midnight.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 71. East wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. East southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 74.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
4:57 pm CDT Sep 14, 2026
6pm CDT Sep 14, 2026-6pm CDT Sep 21, 2026
 
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Additional Resources

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