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

15°F

-9°C

Humidity 77%
Wind Speed NW 16 mph
Barometer 30.21 in (1024.4 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 3 Dec 4:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Mostly clear, with a low around -12. Wind chill values as low as -20. North northwest wind 6 to 11 mph becoming light northwest after midnight.

    Low: -12 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and cold, with a high near 8. Wind chill values as low as -20. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 8 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a temperature rising to around 11 by 3am. Wind chill values as low as -10. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 4 °F⇑

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 28. Wind chill values as low as zero. Southwest wind 6 to 8 mph.

    High: 28 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. West southwest wind around 6 mph becoming northwest after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -4.

    Low: -4 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -12. Wind chill values as low as -20. North northwest wind 6 to 11 mph becoming light northwest after midnight.
Thursday
Sunny and cold, with a high near 8. Wind chill values as low as -20. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a temperature rising to around 11 by 3am. Wind chill values as low as -10. South wind 8 to 11 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, with a high near 28. Wind chill values as low as zero. Southwest wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 18. West southwest wind around 6 mph becoming northwest after midnight.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26.
Saturday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Mostly cloudy, with a low around -4.
Monday
Mostly cloudy, with a high near 25.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 33.
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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:
5:16 pm CST Dec 3, 2025
Forecast Valid:
5pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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