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

6°F

-14°C

Humidity 69%
Wind Speed W 7 mph
Barometer 30.28 in (1027.7 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 19 Jan 7:54 pm CST
Extended Forecast for

Waterloo Municipal Airport IA

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around -2. Wind chill values as low as -10. West southwest wind around 6 mph becoming calm after midnight.

    Low: -2 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Increasing clouds, with a high near 19. Wind chill values as low as -10. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 19 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a steady temperature around 16. Wind chill values as low as 5. Southeast wind 6 to 9 mph becoming north northwest after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Snow Likely
    then Chance
    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Partly sunny, with a high near 27. Wind chill values as low as zero. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 23 mph.

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7. Blustery, with a west northwest wind 10 to 16 mph, with gusts as high as 23 mph.

    Low: 7 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 16.

    High: 16 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -14.

    Low: -14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -8.

    High: -8 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -18.

    Low: -18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around -2. Wind chill values as low as -10. West southwest wind around 6 mph becoming calm after midnight.
Tuesday
Increasing clouds, with a high near 19. Wind chill values as low as -10. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.
Tuesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a steady temperature around 16. Wind chill values as low as 5. Southeast wind 6 to 9 mph becoming north northwest after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 27. Wind chill values as low as zero. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 7. Blustery, with a west northwest wind 10 to 16 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 16.
Thursday Night
Partly cloudy, with a low around -14.
Friday
Mostly sunny and cold, with a high near -8.
Friday Night
Mostly cloudy, with a low around -18.
Saturday
Mostly sunny and cold, with a high near -2.
Saturday Night
Partly cloudy, with a low around -12.
Sunday
Mostly sunny and cold, with a high near 10.
Sunday Night
Partly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 16.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo Municipal Airport IA
 42.55°N 92.41°W
Last Update:
5:56 pm CST Jan 19, 2026
Forecast Valid:
8pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation