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

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

A Few Clouds and Breezy

41°F

5°C

Humidity 47%
Wind Speed NW 24 G 35 mph
Barometer 30.02 in (1017.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 18 Apr 11:54 am CDT
Extended Forecast for

Waterloo IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. Windy, with a west northwest wind around 21 mph, with gusts as high as 33 mph.

    High: 49 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Increasing clouds, with a low around 33. West wind 6 to 15 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of flurries before 7am. Mostly sunny, with a high near 51. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 51 °F

    Chance
    Flurries

  • Sunday Night

    Sunday Night: Clear, with a low around 29. North northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 29 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61. South wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 49. Windy, with a west northwest wind around 21 mph, with gusts as high as 33 mph.
Tonight
Increasing clouds, with a low around 33. West wind 6 to 15 mph, with gusts as high as 24 mph.
Sunday
A chance of flurries before 7am. Mostly sunny, with a high near 51. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 29. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 61. South wind 5 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Clear, with a low around 49.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 77. Breezy.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Breezy. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 65. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
12:12 pm CDT Apr 18, 2026
Forecast Valid:
12pm CDT Apr 18, 2026-6pm CDT Apr 24, 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