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

-10°F

-23°C

Humidity 57%
Wind Speed NW 7 mph
Barometer 30.77 in (1045.2 mb)
Dewpoint -21°F (-29°C)
Visibility 10.00 mi
Wind Chill-25°F (-32°C)
Last update 23 Jan 4:54 pm CST
Extended Forecast for

Waterloo IA

Cold Weather Advisory January 23, 05:09pm until January 24, 03:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 23, 05:09pm until January 24, 03:00am

    NOW until 3:00am Sat

    Cold Weather Advisory

  • Tonight

    Low: -14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 2. Wind chill values as low as -25. Light and variable wind.

    High: 2 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -5. Wind chill values as low as -15. Calm wind becoming north northeast around 5 mph after midnight.

    Low: -5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 6. Wind chill values as low as -15. North northeast wind 5 to 10 mph.

    High: 6 °F

    Cold

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -9. North northwest wind 8 to 10 mph.

    Low: -9 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

  • Monday Night

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

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around -14. Wind chill values as low as -25. North wind 3 to 8 mph.
Saturday
Partly sunny and cold, with a high near 2. Wind chill values as low as -25. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around -5. Wind chill values as low as -15. Calm wind becoming north northeast around 5 mph after midnight.
Sunday
Mostly sunny and cold, with a high near 6. Wind chill values as low as -15. North northeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around -9. North northwest wind 8 to 10 mph.
Monday
Sunny, with a high near 12.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 15.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Partly sunny, with a high near 13.
Wednesday Night
Partly cloudy, with a low around -3.
Thursday
Mostly sunny and cold, with a high near 10.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
5:01 pm CST Jan 23, 2026
Forecast Valid:
5pm CST Jan 23, 2026-6pm CST Jan 30, 2026
 
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