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

-1°F

-18°C

Humidity 82%
Wind Speed NW 8 mph
Barometer 30.34 in (1029.6 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 29 Jan 4:54 am CST
Extended Forecast for

Waterloo IA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 14. Wind chill values as low as -10. North wind around 6 mph.

    High: 14 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -3. Wind chill values as low as -15. North wind 3 to 7 mph.

    Low: -3 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 11. Wind chill values as low as -20. North wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 11 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -1. Wind chill values as low as -15. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: -1 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 17. North northwest wind 5 to 7 mph.

    High: 17 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow likely, mainly before noon. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 14. Wind chill values as low as -10. North wind around 6 mph.
Tonight
Mostly clear, with a low around -3. Wind chill values as low as -15. North wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 11. Wind chill values as low as -20. North wind 6 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around -1. Wind chill values as low as -15. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 17. North northwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 26.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Wednesday
Partly sunny, with a high near 26.
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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:
5:27 am CST Jan 29, 2026
Forecast Valid:
5am CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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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