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.

Overcast

13°F

-11°C

Humidity 70%
Wind Speed S 15 mph
Barometer 30.04 in (1019.2 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 4 Dec 10:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 14 by 3am. Wind chill values as low as -5. South wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 11 °F⇑

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 32. Wind chill values as low as zero. South wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 32 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 17. West southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Partly sunny, with a high near 23. Light and variable wind becoming east 5 to 7 mph in the afternoon.

    High: 23 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Cloudy, with a low around 11. East northeast wind 7 to 9 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 11 °F

    Snow Likely

  • Sunday

    Sunday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -6.

    Low: -6 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 14 by 3am. Wind chill values as low as -5. South wind 9 to 13 mph, with gusts as high as 23 mph.
Friday
Increasing clouds, with a high near 32. Wind chill values as low as zero. South wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 17. West southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Saturday
A 20 percent chance of snow after noon. Partly sunny, with a high near 23. Light and variable wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
Snow likely, mainly before midnight. Cloudy, with a low around 11. East northeast wind 7 to 9 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Sunday
Partly sunny, with a high near 16.
Sunday Night
Mostly cloudy, with a low around -6.
Monday
Mostly cloudy, with a high near 25.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
A 50 percent chance of snow. Cloudy, with a low around 20.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Partly sunny, with a high near 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
10:46 pm CST Dec 4, 2025
Forecast Valid:
11pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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