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.

Fair

6°F

-14°C

Humidity 76%
Wind Speed S 10 mph
Barometer 30.20 in (1025.0 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 4 Dec 4:54 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 -10. South wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 5 °F⇑

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. Wind chill values as low as zero. South southwest wind around 9 mph.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17. West southwest wind 5 to 8 mph becoming northwest after midnight.

    Low: 17 °F

    Mostly Cloudy

  • 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 morning.

    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 -10. South wind 8 to 13 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 32. Wind chill values as low as zero. South southwest wind around 9 mph.
Friday Night
Mostly cloudy, with a low around 17. West southwest wind 5 to 8 mph becoming northwest after midnight.
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 morning.
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:
5:01 pm CST Dec 4, 2025
Forecast Valid:
5pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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