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

89°F

32°C

Humidity 36%
Wind Speed S 12 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 3 Oct 3:54 pm CDT
Extended Forecast for

3 Miles S Readlyn IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. South southwest wind around 13 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. South wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Windy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 89 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Windy, with a south wind 16 to 21 mph, with gusts as high as 29 mph.

    Low: 63 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 85. Windy, with a south wind 16 to 26 mph, with gusts as high as 37 mph.

    High: 85 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Breezy. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. South southwest wind around 13 mph.
Tonight
Clear, with a low around 65. South wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 89. Windy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 34 mph.
Saturday Night
Mostly clear, with a low around 63. Windy, with a south wind 16 to 21 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 85. Windy, with a south wind 16 to 26 mph, with gusts as high as 37 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Breezy. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Readlyn IA
 42.66°N 92.23°W
Last Update:
2:51 pm CDT Oct 3, 2025
Forecast Valid:
4pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation