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

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

54°F

12°C

Humidity 35%
Wind Speed N 8 mph
Barometer 30.34 in (1027.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 10 Apr 5:54 pm CDT
Extended Forecast for

Waterloo Municipal Airport IA

  • Tonight

    Tonight: Mostly clear, with a low around 34. North wind 5 to 8 mph becoming light and variable.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 57. Breezy, with a southeast wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a temperature falling to near 50 by 8pm, then rising to around 57 during the remainder of the night. Breezy, with a south southeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F⇑

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 73. Windy, with a south wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58. Breezy, with a south southwest wind 11 to 18 mph, with gusts as high as 29 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 81. Breezy.

    High: 81 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 83. Breezy. Chance of precipitation is 60%.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Partly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. North wind 5 to 8 mph becoming light and variable.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 57. Breezy, with a southeast wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a temperature falling to near 50 by 8pm, then rising to around 57 during the remainder of the night. Breezy, with a south southeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm. High near 73. Windy, with a south wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58. Breezy, with a south southwest wind 11 to 18 mph, with gusts as high as 29 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 81. Breezy.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 83. Breezy. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 55. Breezy.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 73.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 51.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 76. Breezy.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 50.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 68. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo Municipal Airport IA
 42.55°N 92.41°W
Last Update:
6:06 pm CDT Apr 10, 2026
Forecast Valid:
6pm CDT Apr 10, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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