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

-17°F

-27°C

Humidity 53%
Wind Speed NW 14 mph
Barometer 30.78 in (1045.4 mb)
Dewpoint -29°F (-34°C)
Visibility 10.00 mi
Wind Chill-40°F (-40°C)
Last update 23 Jan 8:54 am CST
Extended Forecast for

Waterloo IA

Cold Weather Advisory January 23, 12:00pm until January 24, 03:00am
Extreme Cold Warning January 23, 09:16am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 23, 09:16am until January 23, 12:00pm

    NOW until 12:00pm Fri

    Extreme Cold Warning

  • Today

    High: -6 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, with a low around -11. Wind chill values as low as -25. North northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: -11 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 1. Wind chill values as low as -10. Light east wind.

    High: 1 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a steady temperature around -2. Wind chill values as low as -15. Calm wind becoming north northeast around 5 mph after midnight.

    Low: -2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny and cold, with a high near 6. North northeast wind 5 to 8 mph.

    High: 6 °F

    Cold

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -10.

    Low: -10 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 13.

    High: 13 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny and cold, with a high near -6. Wind chill values as low as -35. North northwest wind 8 to 13 mph.
Tonight
Mostly cloudy, with a low around -11. Wind chill values as low as -25. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Mostly cloudy and cold, with a high near 1. Wind chill values as low as -10. Light east wind.
Saturday Night
Mostly cloudy, with a steady temperature around -2. Wind chill values as low as -15. Calm wind becoming north northeast around 5 mph after midnight.
Sunday
Partly sunny and cold, with a high near 6. North northeast wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around -10.
Monday
Sunny, with a high near 13.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 16.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Mostly sunny, with a high near 12.
Wednesday Night
Partly cloudy, with a low around -5.
Thursday
Mostly sunny and cold, with a high near 9.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
9:01 am CST Jan 23, 2026
Forecast Valid:
9am CST Jan 23, 2026-6pm CST Jan 29, 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