Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Mostly Cloudy

71°F

22°C

Humidity 96%
Wind Speed E 5 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 13 Aug 5:54 am CDT
Extended Forecast for

Waterloo IA

Flood Watch until August 14, 01:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 14, 01:00pm

    NOW until 1:00pm Fri

    Flood Watch

  • Today

    High: 73 °F

    Heavy Rain
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 66. East wind around 9 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm before noon, then a chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm.  High near 78. East wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 68. East wind 9 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 85. Southeast wind around 8 mph becoming west southwest in the afternoon.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 69. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers and thunderstorms.  Mostly cloudy, with a high near 80. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. Steady temperature around 73. Light east wind becoming east southeast 6 to 11 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. East wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and possibly a thunderstorm before noon, then a chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. High near 78. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 68. East wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 85. Southeast wind around 8 mph becoming west southwest in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 61.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
6:43 am CDT Aug 13, 2026
6am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
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Additional Resources

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